WHEC TV in Rochester says that no motive has been found, but that the murdering coward's sister is unaccounted for. He was shooting from a berm. It was a trap.
The names have been released too. Lt. Mike Chiapperini who was killed was also a Lt. in the PD. He was named Firefighter of the Year 2 weeks ago.
Firefighter Tomasz Kaczowka was also killed. He was also a 911 Dispatcher and had joined the FD a little over a year ago.