Why didn’t FBI involve Boston police two years ago?

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Virginia grand jury indicts 10 people in Irvo Otieno's death
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Seattle witnesses recount kidnapping victim’s escape after fiery crash
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Maryland children prevent attempted bus stop kidnapping
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Grand jury weighs possible Trump indictment in Stormy Daniels hush money payment
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Surveillance video shows Irvo Otieno's final moments
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New Miami Beach curfew voted down as city faces spring break violence
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Oklahoma police captain asks officer to turn off bodycam during DUI arrest
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Costello blasts Cohen as a liar after testifying in hush money investigation
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Student killed in Texas school shooting, suspect in custody
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Two wounded in shooting at Texas high school, suspect in custody
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Three men found guilty in murder of rapper XXXTentacion
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Colorado dentist accused in wife's poisoning death
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Kevin McCarthy slams investigation into Trump but calls for calm among supporters
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Trump claims he expects to be indicted over 2016 hush-money payment to Stormy Daniels
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New witness to testify before grand jury in Trump hush money investigation
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Street racing incidents spiking across the U.S.
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Florida man arrested in murder of wife's ex-husband
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Video shows Tennessee man beaten by jail staff prior to death
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Video shows Oklahoma City police captain's DUI arrest
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Investigation underway into female soldier's death at Fort Hood
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UP NEXT
Virginia grand jury indicts 10 people in Irvo Otieno's death
02:41
Seattle witnesses recount kidnapping victim’s escape after fiery crash
00:59
Maryland children prevent attempted bus stop kidnapping
01:33
Grand jury weighs possible Trump indictment in Stormy Daniels hush money payment
05:10
Surveillance video shows Irvo Otieno's final moments
01:12
New Miami Beach curfew voted down as city faces spring break violence
03:37