Nation: Nabbing the .22-Cal. Killers

The Mafia's Weasel is now the FBI's most valuable informant

A year ago last week, Mafioso Frank ("Bomp") Bompensiero, 71, emerged from a telephone booth near his home in San Diego, and was shot four times in the head and neck. His death was a severe blow to the FBI, since Bomp served both as consigliere (counselor) of a Mafia family in Los Angeles and as the FBI's highest-placed informant in the crime brotherhood. To track down his killers, the bureau stepped up its investigation into the murders of at least 20 people, including six...