From the online version of Time Magazine:

An alleged extortion victim of Boston gangster James “Whitey” Bulger who had wanted to testify at Bulger’s trial was killed by cyanide poisoning, the Assocated Press reports.

The Massachusetts medical examiner’s office ruled Sunday that Stephen Rakes’s death in July a homicide and said he died of acute cyanide toxicity.

Rakes’ business associate, William Camuti, is charged with attempted murder for allegedly poisoning Rakes’ iced coffee. Camuti has pleaded not guilty.

Read more: http://nation.time.com/2013/10/20/potential-whitey-bulger-witness-poisoned/#ixzz2iJtM30TT