Improvised Explosive Device
Tula and Ruby are part of a new Countywide Services Division K-9 unit that began last month to sniff out any explosive devices.
Twenty-four-year-old Alex Minsky, of Venice Beach, was riding in a Humvee when it was hit by an improvised explosive device (IED) in 2009.
Twenty-four-year-old Army Specialist William Gilbert, a native of Hacienda Heights, was killed May 14 in the line of duty.
A 66-year-old Costa Mesa man pleaded not guilty Wednesday to being in possession of materials used to make bombs.