MENOMINEE -- The man accused of robbing Ma's Smoke Shop in Menominee pled guilty at his arraignment Friday.  David Laluzerne pled guilty to unarmed robbery and felony firearm.  He was initially charged with armed robbery.

Police say Laluzerne entered Ma's Smoke Shop on May 26 and showed what appeared to be the handle of a hand gun sticking out of his waistband.  He left the store with $2,000 worth of "spice" or synthetic marijuana and was later arrested during a traffic stop.

Laluzerne will be sentenced August 3.