victim

The combination of decades-long investigative work and cutting-edge DNA technology demonstrates how cold cases, even after decades, can ultimately be solved and provide closure for the still-grieving families of the victims.

Federal investigators are helping comb through the charred building for more victims and evidence.

"There are multiple victims and the shooter is down," police said.

The bodies of the three victims were found buried on Wednesday in the yard of a house in a southern suburb of Buenos Aires, five days after they went missing.

A series of tit-for-tat attacks followed, ranging from shootings to kidnappings, but it would be January 2010 before the feud claimed a second victim.