Boston Bomber's Friend Sentenced To Prison:  Dias Kadyrbayev, a college friend of Boston Marathon bomber Dzhokhar Tsarnaev, has been sentenced to six years in prison for impeding the investigation into the 2013 attacks.  The AP reports that Kadyrbayev removed items from Tsarnaev's dorm room after recognizing him in photos released by the FBI following the bombings.  He pleaded guilty last year to obstruction of justice and conspiracy charges.

NYPD Refining 'Stop and Frisk:'  An uptick in murders and shootings in New York City is leading the NYPD toward refining the controversial "Stop and Frisk" policy.  Jim Dolan of ABC 7 reports that the department intends to use the policy in a "more targeted manner in specific areas where crime is up," and won't employ it in areas where crime is steady.  So far this year, 22 more murders have occurred in the city than at the same time last year.

TSA Fails Numerous Security Tests:  In trials conducted at dozens of airports to test airport security, undercover Department of Homeland Security (DHS) investigators were able to successfully sneak fake explosives and banned weapons passed Transportation Security Administration (TSA) agents at a rate of 95 percent.  Aliza Chasan of the New York Daily News reports that TSA was immediately directed to implement a series of actions in response to the findings, in which they have complied.

Bill Makes it a Felony for Sex Offenders to Skip Hearing:  The New York Senate passed a bill on Monday that would make it a felony for a sex offender to fail to appear at a court hearing where the offender's risk level is to be determined.  Julie Sherwood of the Penfield Post reports that S.4765 would also make it a violation of the Sex Offender Registration Act for a sex offender to fail to annually verify his or her address.  Another bill, S.4776, aims to expand information available on the state's online sex offender registry.

Man Killed by Boston Police Part of Terror Network:  A suspected Islamist extremist fatally shot in Boston on Tuesday was part of a broader terror investigation being conducted by the U.S. Joint Terrorism Task Force.  Ray Sanchez, Evan Perez and Shimon Prokupecz of CNN report that Usaama Rahim, who belonged to an ad hoc terror network, was shot dead when he waved a large military-style knife at officers.  The FBI had been tracking Rahim and his associates for some time, and attempted to approach him after observing his behavior grow more threatening on social media.