FBI agent
Julius L. Mattson
127 mentions105 documents, 118 including copies16 spellings
Also written as · 15 spellings
Agent Mattson · J. L. MATTSON · J. L. Mattson · J.L. Mattson · JULIUS L. MATTSON · JULIUS MATTSON · Julius Lee Mattson · Julius Mattson · MATTSON · Mattson · Mr. J. L. Mattson · Mr. Mattson · Mrs. Mattson · SAC MATTSON · SAC Mattson
Documents naming Julius L. Mattson
105 documents, 118 including copies
- News clippingNew York Times clipping: 'Hijacker Collects Ransom of $200,000; Parachutes From Jet and Disappears'On p. 341
- News clippingFD-350 clipping, St. Paul Pioneer Press 'Hijacker Search Over Full Route'On p. 11
- Handwritten noteCitizen tip letter to SAC Mattson from Clarksburg, MarylandOn p. 74
- News clipping'Rain, Snow Hamper FBI in Hijacker Search'On p. 114
- ReportPortland FBI bulletin with composite sketch and description of hijacking suspect, with handwritten queryOn p. 21
- MemoSA Ronald E. Sherk to SAC Portland requesting interview and display of composite sketchOn p. 141
- MemoSA Ronald E. Sherk to SAC re Seattle Division lead, with addendumOn p. 171
- News clipping(FD-350): 'FBI Says Public's Help Needed If Skyjacker To Be Caught' and 'How'd Ya Do It, Hi?', The Oregon JournalOn p. 72
- FormFD-4 Routing Slip, Portland to SAC Seattle re NORJAKOn p. 17
- MemoRe vehicle registration lead, SAC J. L. Mattson, PortlandOn p. 328
- MemoTo SAC Portland re Harry Wm. Celk as possible NORJAK suspectOn p. 120
- MemoSAC Seattle to file re suspect Gene Morris Davis and $7,350 cashier's checkOn p. 266, p. 267
- MemoOffice memorandum ASAC Bibler to SAC Seattle re calls on publishing ransom bait listOn p. 272
- MemoASAC Bibler to SAC Seattle re calls to SACs Mattson and CampbellOn p. 2
- MemoASAC Bibler to SAC Seattle re coordinating ransom list publication with other officesOn p. 298
- Handwritten noteHandwritten letter and envelope from California citizen to SA Julius Mattson requesting Cooper compositeOn p. 434, p. 435
- LetterSAC Portland to Chief of Police Arthur Enderlin, West Linn, thanking him for search assistanceOn p. 432
- LetterSAC Portland to Oregon Army National Guard colonel thanking him for aerial search supportOn p. 433
- LetterSAC J. L. Mattson to California citizen forwarding two composite sketches of the hijackerOn p. 436
- LetterSAC Portland acknowledging citizen suggestion regarding the hijackingOn p. 439
- LetterSAC Portland to Oregon Bankers Association re distribution of hijacking information to Oregon banksOn p. 448
- LetterSAC Portland (Mattson) distributing second composite sketch of hijacker without glassesOn p. 14
- MemoSAC J. L. Mattson to SA Norman B. Belfrey re publicizing ransom serial number listOn p. 156
- LetterSAC J. L. Mattson to editor, Lake County Examiner, re John Emil List comparisonOn p. 159
- LetterSAC Portland to all Oregon law enforcement agencies enclosing hijacker sketchOn p. 323
- MemoSAC J. L. Mattson to file re letter received at The OregonianOn p. 373
- MemoRe NORJAK suspect Wayne King reported in Costa RicaOn p. 389
- LetterFrom Oregon Corrections Division parole officer nominating James Wayne Wallace as suspectOn p. 48
- LetterSAC Portland (Mattson) to Corrections Division parole officer re suspect James Wayne WallaceOn p. 86
- LetterSherman County Sheriff Gerald A. Lohrey to SAC Portland re Cooper suspect tipOn p. 110
- LetterFBI Portland press release and SAC Mattson cover letter to news media re ransom serial numbersOn p. 165, p. 166
- LetterHandwritten letter from Los Angeles citizen to SAC Milnes thanking him for the 34-page ransom serial bookletOn p. 44
- MemoSAC Milnes to file re Portland call on concession-stand witnessesOn p. 286
- MemoTo SAC J. E. Milnes re NORJAK suspectOn p. 97
- MemoASAC Paul R. Bibler to SAC Seattle re NORJAK search arrangementsOn p. 108
- MemoASAC Bibler re ten agents approved from Butte, Portland, Sacramento, San FranciscoOn p. 237
- MemoSAC Seattle to Director re Army terrain search beginning 3/21/72 (164-81-2524)On p. 43
- MemoTo file from SAC Milnes re JP-4 jet fuel for NORJAK search (164-81-2525)On p. 44
- MemoSAC Milnes to file re JP-4 jet fuel requirement for Army search supportOn p. 217
- MemoSAC J. L. Mattson to all personnel re Vancouver special project contact instructionsOn p. 79
- MemoSAC J. L. Mattson to file re telephone call from California source on NORJAK suspectOn p. 89
- LetterMultnomah County Sheriff Purcell to SAC Portland forwarding a letter for actionOn p. 191
- MemoSAC Seattle to file re agent reporting instructionsOn p. 130
- MemoTo file/SAC Seattle re agents to convene at Inn of the Quay, Vancouver, 4/4/72On p. 316
- MemoSAC Seattle to file re agents reporting to Inn of the Quay, VancouverOn p. 43
- MemoASAC Paul R. Bibler to SAC Seattle re holding agents pending Pentagon clearanceOn p. 131, p. 132
- MemoASAC Paul R. Bibler to SAC Seattle re Ft. Lewis search approval and 4/21 deadlineOn p. 251
- TeletypeSeattle to Director re release of special assignment agents in NORJAKOn p. 171
- MemoSAC Seattle to File re NORJAK facsimile photograph of UNSUBOn p. 666
- MemoSAC Mattson to file re female caller naming a NORJAK suspectOn p. 21
- LetterSAC Portland to Donald W. Bell, U.S. Secret Service, re spliced counterfeit $20 note from Coos Bay bankOn p. 129
- LetterSAC Portland (J. L. Mattson) to Andrew Briner acknowledging his 12/4/72 letterOn p. 140
- Handwritten noteHandwritten letter from Andrew Brenen to SAC Mattson re person who may be D.B. CooperOn p. 139
- LetterSAC Portland (J. L. Mattson) to Andrew Briner acknowledging his 2/20/73 letterOn p. 141
- LetterSAC Portland (J. L. Mattson) to Andrew Briner (file copy) re 2/20/73 letterOn p. 142
- MemoSAC Seattle to file re Arvidis Kiperts and 'D. B. Cooper' bank robbery noteOn p. 432
- News clippingFD-350 clipping: FBI checks Oregon bank robbery suspect Arvid Julius Kiperts as possible D.B. CooperOn p. 1
- News clippingFD-350 clipping, Seattle Times/AP: 'Suspect may be D.B. Cooper' (Arvid Julius Kiperts)On p. 54
- MemoTo file, SAC Seattle, re Kiperts bank robbery link and investigative stepsOn p. 58
- News clippingFD-350 clipping 'He may be bank robber, but he's not D.B. Cooper' eliminating KipertsOn p. 448
- News clippingFD-350 clipping: AP story 'Suspect may be D.B. Cooper' re Arvid Julius KipertsOn p. 441
- TeletypeFBI Form 0-20 routing slip with UPI wire story clearing Arvidis J. Kiperts as a NORJAK suspectOn p. 25
- News clippingFD-350 clipping, Oregonian: 'NW hijacker, $200,000 vanishes — Dan Cooper's fate still a mystery'On p. 417, p. 418
- News clippingThe Oregonian pages, 'NW hijacker, $200,000 vanishes' and related, Nov. 22, 1973On p. 15
- MemoSAC J. L. Mattson to file re Oregon Journal reporter's call about parachute partsOn p. 416
- News clippingFD-350 clipping, Oregon Journal: 'Skyjacked $20 Report May Be Secret' (Secret Witness plan)On p. 11
+2 copies
- Part 53 pp. 185–186 · matching p. 186
- Part 54 pp. 7–8 · matching p. 8
Copies may differ in what was redacted.
- News clippingOregon Journal 11/26/73: 'Skyjacked $20 Report May Be Secret' (duplicate copy)On p. 207
- News clippingOregon Journal clipping: 'Skyjacked $20 Report May Be Secret' re Secret Witness planOn p. 39
- News clippingFD-350 clipping, Oregon Journal: 'List Of $20 Numbers Spurs Hunt For D.B. Cooper'On p. 12
- News clippingFD-350 clipping, Oregon Journal 11/27/73: 'List Of $20 Numbers Spurs Hunt For D.B. Cooper' with serial list pages 10-11On p. 196
- News clipping(FD-350), Oregon Journal: 'List Of $20 Numbers Spurs Hunt For D.B. Cooper' with bill list pages 10-11On p. 10
- News clippingTacoma, Wash. newspaper 11/29/73: second anniversary of the Cooper hijackingOn p. 209
- News clippingFD-350 clipping, Oregon Journal 11/30/73: 'Cooper Bill List Sparks New Leads' with $20 note listOn p. 187
- News clipping(FD-350), Oregon Journal: 'Cooper Bill List Sparks New Leads'On p. 21
- News clippingAP wire story by Allen Nacheman on 2nd anniversary of Cooper hijacking (continuation)On p. 1
- Handwritten noteCitizen letter to SAC Mattson suggesting a police sketch artist composite of CooperOn p. 455
- MemoSAC Mattson to file re Lebanon, Oregon caller naming NORJAK suspectOn p. 452
- MemoSAC Mattson to file re Oregon Journal anonymous tip naming NORJAK suspectOn p. 454
- News clippingFD-350 clipping, Milwaukee Journal, 'Is hijacker Dan Cooper alive and wealthy?'On p. 391
- LetterSAC Portland to Kansas correspondent re ransom bill list requestOn p. 10
- LetterFBI official to Oregon Journal reporter thanking for D.B. Cooper coverageOn p. 223
- LetterBureau letter of appreciation to Oregon Journal writer re NORJAK coverageOn p. 166
- LetterTo the Oregon Journal thanking it for NORJAK coverageOn p. 46
- LetterSAC Portland to Tigard, Oregon correspondent acknowledging NORJAK informationOn p. 17
- MemoSA to SAC Portland re John Edward Hale, U.S. Plywood Mill, Lebanon, OregonOn p. 53
- News clippingFD-350 clipping: 'Dan Cooper still at large, may have written a page of historical folklore' (Criminal Justice Services Newsletter)On p. 340
- News clippingRouting slip (0-20) with UPI clipping: 'A Three-Year-Old Question: Where Is D.B. Cooper?'On p. 16
- News clippingFD-350 clipping: UPI 'Where Is D.B. Cooper? And Where Is The Cash?', Herald and News, Klamath FallsOn p. 279
- News clipping'Skyjacker, $200,000 Elude 3-Year Search' (UPI), Pittsburgh PressOn p. 86
- News clipping'The Skyjacker Who Got Away: D.B. Cooper a Legend 3 Years After Caper' removed from N.H. ExaminerOn p. 236
- News clippingFD-350 clipping, AP (Allen Nacheman) 11/27/74: three years since D.B. Cooper skyjackingOn p. 179, p. 180
- News clippingRouting slip (0-19) with UPI clipping by B.J. McFarland: 'Perfect Crime Fans Count the Years'On p. 17
- News clippingClippings: 'Where's D.B. Cooper?' composite sketches and AP 'The Skyjacker Who Got Away'On p. 198
- MemoTo SAC Seattle re anonymous caller claiming fifteen people involved in NORJAK hijackingOn p. 460
- MemoTo SAC Seattle re anonymous caller seeking SAC Mattson at PortlandOn p. 267
- LetterUS Attorney Lezak to SAC Portland forwarding citizen letter and Cooper clippingOn p. 571
- OtherEnvelope addressed to Julius Mattson, FBI Portland, postmarked 17 March 1975On p. 321
- FormFD-4 Routing Slip SAC Miami to SAC Portland forwarding misaddressed citizen letterOn p. 318
- Handwritten noteCitizen letter to SAC Julius Mattson re man resembling Cooper sketch on Channel 2 newsOn p. 320
- News clippingFD-340 receipt for Chicago Tribune article 'D. B. Cooper, $200,000 leap still a mystery' (11/24/74)On p. 68
- Handwritten noteAnonymous handwritten letter to Julius Mattson proposing helicopter accomplice theory, with mailing envelopeOn p. 63, p. 64
- MemoSAC Portland to SAC Indianapolis re anonymous letter to former SAC Mattson naming Cooper lookalikeOn p. 78
- LetterSAC Portland (Mattson) to citizen acknowledging tip letter of November 29, 1971On p. 67
- OtherEnvelope addressed to Julius Mattson, FBI PortlandOn p. 75
- LetterHandwritten citizen letter to SA Mattson re photograph seen in Time magazineOn p. 14
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Id: p_5fee34cf4d2b
Subject: Cooper Files: p_5fee34cf4d2b Person: Julius L. Mattson Id: p_5fee34cf4d2b Page: https://cooper.theunsolved.net/person/p_5fee34cf4d2b What is wrong (name, role, note, merged identities)? Which pages show it?
A person reads every report. Corrections are made by hand, to the data — titles, dates, names, which pages belong together — never to the scans, and they can take a while to appear.