5 Dec. Christian Science Monitor - A Makeshift Hunt for IEDs in Iraq.

... A 110-pound black German Shepard named Bingo works with Piacentini, sniffing suspicious holes in the ground, mounds of garbage, or debris placed a little too strategically.

Explosive Ordnance Disposal (EOD) teams - equipped with signal-jamming radar, robots, and spacesuit-like protective gear - specialize in detecting and detonating IEDs. But most days there aren't enough Bingo's or EOD teams to go around. So, Marines on patrol tend to gently poke anything suspicious, and snip the wires of the bombs they discover themselves...