Nobody's snitchin' in Dorchester murder and other crime news

Relatives of the four men murdered in Dorchester are outraged that nobody with information seems to be coming forward. The feds have joined the search for their murderers (Commissioner O'Toole says people should not read anything into that except that Boston and the feds have a close working relationship). A bill aimed at cracking down on witness intimidation might not get through the House; Speaker DiMasi says his chamber has other priorities and that law enforcement already has the tools it needs.

Three alleged Dorchester gangbangers sentenced on racketeering charges.

Rev. Eugene Rivers, long an anti-violence activist, testified for a man accused of shooting two police officers in 2003 . Rivers said the man had become mentally ill.

State Police seize coke, cash and a loaded AK-47 in a Harbor Point raid.

Boston Police are on the lookout for a Blaine Hair School student who allegedly attacked two men with a mannequin pole on Thursday afternoon outside the 30 West St. (Downtown Crossing) school.