Underrättelseagent först vid IB. Uppger i förhör att en hemlig grupp med anknytning till försvaret övade med walkie-talkies i Stockholm och menar att de kan ha övat kvällen då Olof Palme mördades.
Donald Forsberg# QUERY14d54f3c1c80bd0d24a00ac0a27b3a9f
Donald Forsberg +
Donald Forsberg# QUERY03f0fc10810d3b439adf853a4eae48ba
Donald Forsberg# QUERY30e12fa9692d76b1f51db80d50c298fe
Donald Forsberg# QUERY0bbe6df1fc4c2eb55478ad2a643bb31d
~~"Donald Forsberg" OR ~~"Föräldraföreningen"
Donald Forsberg# QUERY56198a1df9591db3cbe3fbd0960b70b5
D21659 OR Uppslag:+ ~D21659-* OR Uppslag:D21659 OR Donald Forsberg OR Donald Forsberg OR -Har Relaterar::Donald Forsberg
Donald Forsberg# QUERY1fef37c7e3adb87c13c6c7fef3be3d0d
Uppslag:D21659-17-C Donald Forsberg
Donald Forsberg# QUERY253f0bef1bd3d2b8d4c35d09d5d3b408
Donald Forsberg# QUERY6d174b9e284663ca93b1d0e5552e78d2
Donald Forsberg# QUERYf7aeea245267e6331bb148809511d214
Donald Forsberg# QUERY33b6635e76c8e999a1e5e1dfa0f3fac9
Uppslag:D21659-17-C -Relaterar::Donald Forsberg
Donald Forsberg# QUERY2b2452a58ceed4dd9d5715551e9cfb65
Uppslag:D21659-00
Donald Forsberg# QUERY90b6af1befccbbbaba76d7b3480f0f80
Uppslag:D21659-00 Donald Forsberg
Donald Forsberg# QUERYc0977dabecc66eb82b494a6fac5986ea
Donald Forsberg# QUERYd93ff623982ea20e14023b611e6423c1
Donald Forsberg# QUERY0d8dc613e215b2a25ad96b4d8d5b56eb
Donald Forsberg# QUERY0dd5ecc09ed343decb136236a9527c25
Uppslag:D21659-00 -Relaterar::Donald Forsberg
Donald Forsberg# QUERYf5bd6fee91ef8779169d9f38471e7f67
Uppslag:D21659-00-B
Donald Forsberg# QUERY20626b5f93afd7175071d5dc71682100
Uppslag:D21659-00-B Donald Forsberg
Donald Forsberg# QUERY15df525ff01853fa1eccbd96e09ba8f3
Donald Forsberg# QUERY8125d4da27f64867483a7f4d5c532c5d
Donald Forsberg# QUERY361ec32a11388b851fcd5bc567e118c3
Donald Forsberg# QUERY9f6a4308a3ada6bcb89801e9ac2b961c
Uppslag:D21659-00-B -Relaterar::Donald Forsberg
Donald Forsberg# QUERY17d11b0fc738092f3db9b50fb2a7c3a9
Uppslag:D21659-00-C Donald Forsberg
Donald Forsberg# QUERYf54c81618b2bf061ce5c566b32827a38
Donald Forsberg# QUERY20925ffdea66aaff9efa4f89344ba9ae
Donald Forsberg# QUERYc1575f4b9c7de51e487d7a29ed8b6633
Donald Forsberg# QUERY904dcfbfe4db28da8e360d719192aa3b
Uppslag:D21659-00-C -Relaterar::Donald Forsberg
Donald Forsberg# QUERY6a9c87a42f62905a2c84c69637e3b3b4
Uppslag:D21659-00-D Donald Forsberg
Donald Forsberg# QUERYb401f7eba84f9ee253eab3a252fcd0fd
Donald Forsberg# QUERYa7d382d0552fefe5faf9670cf27c55be
Donald Forsberg# QUERY71a2d9f7027ff8512995846cced9e3db
Donald Forsberg# QUERY603c98d3df4e65264c996adb7817f8ee
Uppslag:D21659-00-D -Relaterar::Donald Forsberg
Donald Forsberg# QUERYa9f1d0f3304b8f4e993b35fb1e2b5547
Uppslag:D21659-00-E Donald Forsberg
Donald Forsberg# QUERY4d1fad43065c60f50e834ef919356732
Donald Forsberg# QUERY8104f40e6f6252b9fb83ac83bd6983ee
Donald Forsberg# QUERY01fb8606d46282a6709598f5ec8b7818
Donald Forsberg# QUERY15da70fe70689bab90d002caf406a6cb
Uppslag:D21659-00-E -Relaterar::Donald Forsberg
Donald Forsberg# QUERY3c3eba222a1f99c1f1622cdd4f1239e2
Uppslag:D21659-00-F Donald Forsberg
Donald Forsberg# QUERYbbd2e6998451c5771adb5929caa384ff
Donald Forsberg# QUERYf70c071551e263fb6bd5a10b8e81f019
Donald Forsberg# QUERY75c32644319eef0cdf7424c0c2014b3d
Donald Forsberg# QUERY395d7d910ef1d253fe828712a1d3dfde
Uppslag:D21659-00-F -Relaterar::Donald Forsberg
Donald Forsberg# QUERY8882987512808e30b93c8b11f9e0d79f
Uppslag:D21659-00-G
Donald Forsberg# QUERYb8b0b4e13080fa090c0b0045cacfc58e
Uppslag:D21659-00-G Donald Forsberg
Donald Forsberg# QUERY6dcee54a2ab4663466a68fe3e3968cf0
Donald Forsberg# QUERY57ac67b45f5ecf3462f47414b7afb47d
Donald Forsberg# QUERYb4580026d124eb5533fd78d26533e3a4
Donald Forsberg# QUERY36f4802c6d4dcd3df4733165468a7ebd
Uppslag:D21659-00-G -Relaterar::Donald Forsberg
Donald Forsberg# QUERY48d28720d32e78e85c0a6bbdce8f58db
Uppslag:D21659-00-H Donald Forsberg
Donald Forsberg# QUERY0661a9c92d382f8dc9b7a67208e611d2
Donald Forsberg# QUERY4fc91cd90b517addd8bb30f2f437c849
Donald Forsberg# QUERYc607970e281c9e7f638457bc987c2df4
Donald Forsberg# QUERY0b76e15cf5e84d97b618eaad0bc23353
Uppslag:D21659-00-H -Relaterar::Donald Forsberg
Donald Forsberg# QUERYe873c9765bf2a0dd1f9456f7d4e1990e
Uppslag:D21659-00-I Donald Forsberg
Donald Forsberg# QUERY87919c72c89567b24e9f1e0c7a68027f
Donald Forsberg# QUERYd09ab8afb72bf11d65ee29aafe1a0253
Donald Forsberg# QUERYad364be85cd23eed6b867faafdfdd4c2
Donald Forsberg# QUERY2c4fa2870b464a3e0845a60e79dfb56a
Uppslag:D21659-00-I -Relaterar::Donald Forsberg
Uppslag:D21659-00-J Donald Forsberg
Donald Forsberg# QUERYd13c07ce2e25e620f2912a7af623ff97
Donald Forsberg# QUERY0e8898df306c644b78dbc781392e4469
Donald Forsberg# QUERY463ce58eb296869ccdaff80494686674
Donald Forsberg# QUERYebe2716244083e1c28557e02e56a373a
Uppslag:D21659-00-J -Relaterar::Donald Forsberg
Donald Forsberg# QUERY7e22e616ac915fe628ff1a0e71b47c37
Uppslag:D21659-00-K Donald Forsberg
Donald Forsberg# QUERY72cf4988bc6a06cd3193c5bebbfed151
Donald Forsberg# QUERY73ff9e01511fe43b21f19c251a8cf068
Donald Forsberg# QUERY7657626d1a957521b97c5b8f6aab17ff
Donald Forsberg# QUERYf41058002a54c1faf0109c205713161d
Uppslag:D21659-00-K -Relaterar::Donald Forsberg
Donald Forsberg# QUERY60e6cee51bff8442992f659366ad21ef
Uppslag:D21659-00-L
Donald Forsberg# QUERY4925ad1c5766ff392f6b1454d614e9e3
Uppslag:D21659-00-L Donald Forsberg
Donald Forsberg# QUERY6b0b7dc675abf17723d3734119538d33
Donald Forsberg# QUERYc3939d2cc0eb801dbb0c40540df80d53
Donald Forsberg# QUERYa6cae00034c7d6a8f3b6a8caabfdd98b
Donald Forsberg# QUERY0a4b45ca642251996be903a912965062
Uppslag:D21659-00-L -Relaterar::Donald Forsberg
Donald Forsberg# QUERYcb1ceb26fd68ff7183da778f9e7fe675
Uppslag:D21659-00-M Donald Forsberg
Donald Forsberg# QUERYc6cb90584bf968a93a72f388c8124d1c
Donald Forsberg# QUERY21c4fd7db54275522d4d7bc8f37c7362
Donald Forsberg# QUERYd056de32fd4458bffe63972ad7a99728
Donald Forsberg# QUERY6361d6ac55a32181897e95a249dc1449
Uppslag:D21659-00-M -Relaterar::Donald Forsberg
Donald Forsberg# QUERYb7917ebd9d3f64f208e46ad7b419c1d4
Uppslag:D21659-01 Donald Forsberg
Donald Forsberg# QUERYee95d14a2143169cc461caad8745d718
Donald Forsberg# QUERYe28cef14fd156977d3dcdafbc5905b26
Donald Forsberg# QUERY2cdabca9edd64ca266446b9e4463d0ca
Donald Forsberg# QUERY10af2342aa53d3c71adc7a1c1066dbc5
Uppslag:D21659-01 -Relaterar::Donald Forsberg
Donald Forsberg# QUERY562043f27414fd223a5bb8cf1b57ff1c
Uppslag:D21659-02 Donald Forsberg
Donald Forsberg# QUERY60663feacae05569e1c5657096ca0bdf
Donald Forsberg# QUERY186e927451291390aacdd70127bf2a6f
Donald Forsberg# QUERY56ecf5662c0c1b0492305d216de5d5da
Donald Forsberg# QUERYcba1094b4cf7554e7def6e907066acb1
Uppslag:D21659-02 -Relaterar::Donald Forsberg
Donald Forsberg# QUERY8cba32adc93ba5ee5dd42ca6ebb99b32
Uppslag:D21659-02-A Donald Forsberg
Donald Forsberg# QUERY5b6473760d59771ed1c7395ff6fe2aa5
Donald Forsberg# QUERYde5cb5a6e33a2042e7c6f9626e2b492e
Donald Forsberg# QUERY324307428198d9889abc610ab699764d
Donald Forsberg# QUERY1fa0875121950131a9a14742a0e5a3af
Uppslag:D21659-02-A -Relaterar::Donald Forsberg
Donald Forsberg# QUERYf0e9d98c0ac7248ee4b739990bd3542a
Uppslag:D21659-02-B Donald Forsberg
Donald Forsberg# QUERY5b111338b7649283436f082a356a3e3f
Donald Forsberg# QUERYd182dc50a5575c55deee26b3bd304a64
Donald Forsberg# QUERY80dec775a30dae07391360b77320811c
Donald Forsberg# QUERY77c8b300ea4f5b7c10fc04e04c98bc74
Uppslag:D21659-02-B -Relaterar::Donald Forsberg
Donald Forsberg# QUERY23db9381542a23e3addb2288d5653e2f
Uppslag:D21659-03 Donald Forsberg
Donald Forsberg# QUERY3cfe9e2752871a10b6347292f833e339
Donald Forsberg# QUERY2c9356567b0534cde2bfb25880c7cb3e
Donald Forsberg# QUERYe34a45eeb4098822e0af7b0b8d89bec7
Donald Forsberg# QUERYb9fd6991ec27b673c92d4af614e53c04
Uppslag:D21659-03 -Relaterar::Donald Forsberg
Donald Forsberg# QUERY993bb0e1bec72773e4c490cf1c37b8fa
Uppslag:D21659-04 Donald Forsberg
Donald Forsberg# QUERY351c1702a1a547e50f0ca23a98b3a8fb
Donald Forsberg# QUERYbe5e13162a5af86ed3eefe76398e1475
Donald Forsberg# QUERY48e5990c50a0434ce4dab21157568c58
Donald Forsberg# QUERYeee2a40b929230973281b22519f4d093
Uppslag:D21659-04 -Relaterar::Donald Forsberg
Donald Forsberg# QUERYc8f5f1d629ff582962ffaf6b0a3f6a7b
Uppslag:D21659-05 Donald Forsberg
Donald Forsberg# QUERY3ade9afa1afbb6a59734455b360f6c58
Donald Forsberg# QUERYc292772d5f3cd17b0293bfe90ed84bf2
Donald Forsberg# QUERY876daa2099a705403e928fff3dc164b9
Donald Forsberg# QUERY69c10f846561914c1669671aa057aeff
Uppslag:D21659-05 -Relaterar::Donald Forsberg
Donald Forsberg# QUERY3a1ff55e48f89b540cf93cf328cb3f74
Uppslag:D21659-06 Donald Forsberg
Donald Forsberg# QUERY6c1f1e0a8a19e42124648016dac9231c
Donald Forsberg# QUERY126204098e99d793aee6fc340b455fef
Donald Forsberg# QUERY550475ef3534823a48f7531f67fd6aed
Donald Forsberg# QUERYff18f6adb04fc7e22ed94232fb04f2ae
Uppslag:D21659-06 -Relaterar::Donald Forsberg
Donald Forsberg# QUERY5470b6dc3330a0e260bab393cdbfdf06
Uppslag:D21659-06-A Donald Forsberg
Donald Forsberg# QUERY64fb380775e38fcc6cf6a6e870ef7512
Donald Forsberg# QUERY87df08c3fac52804c0ca4441099df60e
Donald Forsberg# QUERY03aa62ef02f74ca3594f763af7e37b70
Donald Forsberg# QUERY2bf7ba5269aed980f829030d757e425f
Uppslag:D21659-06-A -Relaterar::Donald Forsberg
Donald Forsberg# QUERYbae7c3c3eb561c329843c796232bfd98
Uppslag:D21659-06-B Donald Forsberg
Donald Forsberg# QUERY34ac007f74f42f1c21d798c084e1cfed
Donald Forsberg# QUERYe328fd0dc78d68cd7e7a37c66c532532
Donald Forsberg# QUERY9e97994af3272c99c9ac18cab6edb9fb
Donald Forsberg# QUERY49537273c9c1c56a55b02805535dfe6b
Uppslag:D21659-06-B -Relaterar::Donald Forsberg
Donald Forsberg# QUERY6e99c3a1e97288b688e7a886593edaef
Uppslag:D21659-07 Donald Forsberg
Donald Forsberg# QUERYa084e05e0039b0567da167a3a6638009
Donald Forsberg# QUERY85e18ffb4610a85f0caa7d9167ffd7fb
Donald Forsberg# QUERY53b0f9fb7d5a05bef3669a7eb03d79b0
Donald Forsberg# QUERY32d6c24f6cca873d9caa83c0f5899a66
Uppslag:D21659-07 -Relaterar::Donald Forsberg
Donald Forsberg# QUERYec43cc8f63ff2527d9b43e70abff8039
Uppslag:D21659-08 Donald Forsberg
Donald Forsberg# QUERY64d9bf73e8d4a03001a4130dd9835c18
Donald Forsberg# QUERYb3deb86bb0dc759882dd707a56792f3a
Donald Forsberg# QUERY6a1d5ea08b137e98f136b50465ec1b4b
Donald Forsberg# QUERYcbd20b286ceaf3343c8f1298b020b635
Uppslag:D21659-08 -Relaterar::Donald Forsberg
Donald Forsberg# QUERY48ea29c436a9c42230e499b1007ce198
Uppslag:D21659-08-A Donald Forsberg
Donald Forsberg# QUERY49b8aec7e12efa933ab9e455d8950a4f
Donald Forsberg# QUERY5aa105d28bd6afe010693c2570a61a8c
Donald Forsberg# QUERYdfc655ecfdc8ed3c624fd55b8f88a725
Donald Forsberg# QUERYb9154d2b16ecb1b581e51101040a64d9
Uppslag:D21659-08-A -Relaterar::Donald Forsberg
Donald Forsberg# QUERYd6756f73cbe4a6e69851e9694cf17c04
Uppslag:D21659-08-B Donald Forsberg
Donald Forsberg# QUERY86f6cdcdfc06d0704932f21395fc404b
Donald Forsberg# QUERY6e5e39927f7dc22eecd3aa1f7d7dcf87
Donald Forsberg# QUERYb9162f6aea981ea1d9708c36b2311856
Donald Forsberg# QUERYf1aef5c31d0b2211824e49dc45e622a6
Uppslag:D21659-08-B -Relaterar::Donald Forsberg
Donald Forsberg# QUERY7044ec85f8e2631e2ef7571793ce75df
Uppslag:D21659-08-C Donald Forsberg
Donald Forsberg# QUERYdfd4cf5e40df5cb38420d92fdf3c1121
Donald Forsberg# QUERY6f44be47af7051e1cc0f6ca690b9d142
Donald Forsberg# QUERYa04b5c423867bd48369c931fc2008b02
Uppslag:D21659-08-C -Relaterar::Donald Forsberg
Donald Forsberg# QUERYd1aac7ec17fb62f6774186a09172e43d
Uppslag:D21659-08-D Donald Forsberg
Donald Forsberg# QUERY8f0629e8ec1625be297c8716b95cb633
Donald Forsberg# QUERYee4709157c1d7c320abd21643085e642
Donald Forsberg# QUERYea8ac78560ba6dfee7b66d874df64923
Uppslag:D21659-08-D -Relaterar::Donald Forsberg
Donald Forsberg# QUERYc87de1c6a3318af181606c7bc8a5deee
Uppslag:D21659-09 Donald Forsberg
Donald Forsberg# QUERY499a87979e2f95414df02852399501bb
Donald Forsberg# QUERY836044cbebff08452fb5713ec4c76eaa
Donald Forsberg# QUERYa365e9ae5dfe243f10802e27540dbc29
Donald Forsberg# QUERY7315a677fa23ae28b2485fe16a8f2cb5
Uppslag:D21659-09 -Relaterar::Donald Forsberg
Donald Forsberg# QUERYe40fe5375baf91b52745821344070396
Uppslag:D21659-09-A Donald Forsberg
Donald Forsberg# QUERYa5233a32828387ce94bf68b2aee7c1e8
Donald Forsberg# QUERY1ffaf175d512b51fc1aad0ce8c9dc030
Donald Forsberg# QUERYc945ac7b2e2c87f33fe7ddaf1542f27c
Donald Forsberg# QUERY0c26fb4fd71b2d56bec905369b1de203
Uppslag:D21659-09-A -Relaterar::Donald Forsberg
Donald Forsberg# QUERYb6e986ad823d25ddca4c27aa4268c5f7
Uppslag:D21659-10 Donald Forsberg
Donald Forsberg# QUERY279ec4c1493a4eb63ac58adabcba8ebf
Donald Forsberg# QUERY61952f48a416f09fdb3999082ce401cd
Donald Forsberg# QUERYcc8385c6e15731634e8c19a52a8fc30d
Donald Forsberg# QUERYc0ec509090b6f60cccb967954cf03655
Uppslag:D21659-10 -Relaterar::Donald Forsberg
Donald Forsberg# QUERY43266a39109d7ce8a510330d821b94ec
Uppslag:D21659-11 Donald Forsberg
Donald Forsberg# QUERYd514d627d0cdb7a21ecd77dbf0e5b196
Donald Forsberg# QUERY0b3fe6db70f637418d7ec4451a39b708
Donald Forsberg# QUERYb4bf751bab6601e19fe643abfaf16ec0
Donald Forsberg# QUERY3813db06cf6fb10b4f43783ea5f3990e
Uppslag:D21659-11 -Relaterar::Donald Forsberg
Donald Forsberg# QUERYf37923527b51c6b27eaec17b671d2c68
Uppslag:D21659-11-A Donald Forsberg
Donald Forsberg# QUERY86a4ceae929edca64a1433f9f7abb7e7
Donald Forsberg# QUERY13db5b745cc9674fea01560c2a648255
Donald Forsberg# QUERY84de9cd4ca1a2935733de02f62c16524
Donald Forsberg# QUERY84a07673a7a0677babc27f69be94e1c5
Uppslag:D21659-11-A -Relaterar::Donald Forsberg
Donald Forsberg# QUERYf99f410d46522b422a6839c1b8644b65
Uppslag:D21659-12 Donald Forsberg
Donald Forsberg# QUERY5071e4f535339db79302c2da1afe9503
Donald Forsberg# QUERY94e6ca4018a0bd31355a095eadbfff71
Donald Forsberg# QUERY11d295e61f0b384ad6b2e36ef4b1425b
Donald Forsberg# QUERY8a08c18bcc5a6a2431492969fa65b303
Uppslag:D21659-12 -Relaterar::Donald Forsberg
Donald Forsberg# QUERYea845df5a727c9db9b95971bc2257b2e
Uppslag:D21659-13 Donald Forsberg
Donald Forsberg# QUERY90d6f306501efa32f5451380feaec709
Donald Forsberg# QUERY6f97041693956029d49dc823f72e9a89
Donald Forsberg# QUERY5afc0e11a050bd9bbe7f5f8f14c32124
Donald Forsberg# QUERY041ef835d6448d63b577c80aed3543f8
Uppslag:D21659-13 -Relaterar::Donald Forsberg
Donald Forsberg# QUERY13eaa2102135f56812a7a42739b6b541
Uppslag:D21659-14
Donald Forsberg# QUERY806e7a415449cfc6c8f489de2fe03487
Uppslag:D21659-14 Donald Forsberg
Donald Forsberg# QUERY788b0d1397ca5ab5f11a6131376488b4
Donald Forsberg# QUERY2a919f58bce3fe26f61021b147ac79eb
Donald Forsberg# QUERYf09937678780d61f5d10ea4bf61c57e0
Donald Forsberg# QUERY506ee0aba48790852d7ac2ee3722d6e1
Uppslag:D21659-14 -Relaterar::Donald Forsberg
Donald Forsberg# QUERY469fb7fe148386291dfc9b70745ac831
Uppslag:D21659-15 Donald Forsberg
Donald Forsberg# QUERYc1e4669dac9e7d2187e0d985f1c0cc3b
Donald Forsberg# QUERYf1fbeeb24698bc7d59c81158bb795f30
Donald Forsberg# QUERYa0ff9006ee90fe71d4cb5d3c8f72b576
Donald Forsberg# QUERYc9bfd59b3c87aa9126ed914cde75ee01
Uppslag:D21659-15 -Relaterar::Donald Forsberg
Donald Forsberg# QUERYfd9761e760b9d4915e40c59773727c4c
Uppslag:D21659-16 Donald Forsberg
Donald Forsberg# QUERY015b4a596a9815e621f34de5bff66cbe
Donald Forsberg# QUERY3dc2f2915a0b5bf362505f1a3d35e54e
Donald Forsberg# QUERY4798553c25fc5d916b48a97a14ea6b6a
Donald Forsberg# QUERY3a4fd31e2efd9fa38ee4c38cd1ee4bd1
Uppslag:D21659-16 -Relaterar::Donald Forsberg
Donald Forsberg# QUERYbb87471b7030012e5f6d151a0d9e6d28
Uppslag:D21659-17 Donald Forsberg
Donald Forsberg# QUERY10b56c8a58657a7b161697c6fd0fdbae
Donald Forsberg# QUERY36201e1da876cc973258d60e7565c3be
Donald Forsberg# QUERYbf991306ac4960511359d93050a9a012
Donald Forsberg# QUERY733f774a562ca632550de803dffe16a1
Uppslag:D21659-17 -Relaterar::Donald Forsberg
Donald Forsberg# QUERY3475f4f4ff3c533acabfbf578fef425d
Uppslag:D21659-17-A Donald Forsberg
Donald Forsberg# QUERY33e8bef43cd920a71a43c3594b302c59
Donald Forsberg# QUERYe725175f7bd880385cf94c58944e5867
Donald Forsberg# QUERY280ac41cf090ee22277f7324a64cac2a
Donald Forsberg# QUERYa9f80182c39bf11a913423237320fbd4
Uppslag:D21659-17-A -Relaterar::Donald Forsberg
Donald Forsberg# QUERYf5801422bd8dbacc012b6b71ff31efbc
Index:Pol-2015-05-04 D21659-00-B Förhör-Donald-Forsberg-föräldraföreningen.pdf
Pol-2015-05-04 D21659-00-B Förhör-Donald-Forsberg-föräldraföreningen.pdf
Index:Pol-2017-10-24 D21659-00-G Donald-Forsberg.pdf
Pol-2017-10-24 D21659-00-G Donald-Forsberg.pdf
Index:Pol-2019-10-09 D21659-00-L Donald-Forsberg.pdf
Pol-2019-10-09 D21659-00-L Donald-Forsberg.pdf