BOSTON — Both prosecutors and defense attorneys are asking the high court to provide clarity on the process of reviewing criminal convictions jeopardized by the state drug lab crisis.

WORCESTER, Mass. — But Peter Stefan says he doesn’t think Russia will take the body of Tamerlan Tsarnaev and is working on other arrangements.

WORCESTER, Mass. — The owner of the Worcester funeral home holding the body of accused marathon bomber Tamerlan Tsarnaev expects to find a cemetery to bury Tsarnaev by Monday.

BOSTON — Federal Homeland Security officials are promising reform of the student visa system, after the two friends of a Boston Marathon bombing suspect overstayed their visas.

BOSTON — Massachusetts U.S. Rep. William Keating says lawmakers have long been concerned about the threat of so-called “homegrown” terrorists.

BOSTON — Investigators collected the DNA to compare against female genetic material found on bomb fragments at one of the explosion sites.

BOSTON — The investigation into the Boston Marathon bombings is continuing on many fronts. Boston Police officials offered new details on Tuesday.

BOSTON — NPR’s media correspondent David Folkenflik analyzed the news coverage of the marathon bombings and Friday’s manhunt.

BOSTON — Robert Long, a former state police lieutenant who now does high-level security, shared his insight.

BOSTON — Boston Marathon bombings suspect Dzhokhar Tsarnaev is expected to be questioned by a special interrogation team. A former CIA interrogator joined us to talk about that that could entail.