It's been one year since a deadly home invasion in Bucks County and police are still searching for answers.

Joseph Canazaro, 48, was killed on January 18, 2012 during a robbery at his home on Swartley Road in Hilltown Township.

Officials say two men killed Canazaro and then tied up his girlfriend and 12-year-old son and left them in the basement.

Authorities believe Canazaro may have been targeted.

Police have not named any suspects.