By Allan Lengel
ticklethewire.com

The FBI and ATF have joined the hunt for the  killer of Seattle cop Tim Brenton, who was gunned down while sitting in his cruiser Saturday night, King5 TV reported.

Authorities said they believe the killing was well planned, but officer Tim Brenton and his partner Britt Sweeney were random targets, the Seattle TV station reported. A bullet grazed her back.

The tv station reported that the gunman pulled up to the cruiser,  and opened fire. To read more click here.