Possible use of briefcase bomb in this attack reported on Jun 25?
www.occupationwatch.org...

At the same time, the insurgency's tactics seem to be getting bolder. On Thursday morning, a man dressed in a crisply ironed police uniform
walked up to a checkpoint in the Rashid neighborhood of Baghdad carrying a black Samsonite briefcase and blew himself up. Four people were killed,
including a farmer driving to market in a pickup truck full of eggplants.
"The bomb was packed with ball bearings and meant to kill a lot of people," said Col. Steve Lanza of the Army. "This could have been a lot
worse."
Please visit the link provided for the complete story.
This snippet is the only reference to a briefcase in a longer article describing the attacks of the day, the report does not identify where the bomb
was with regards to this attacker so there is a possibility it could have been the briefcase.