The Sparks Police department has released photographs of a suspect in a robbery Wednesday at the Best Buy in Spanish Springs. Police say the man walked into the store at 155 Los Altos Parkway about 2:30 p.m. and picked up several items and then concealed them on his body. He walked out of the store and when employees tried to stop him he pulled out a knife. Police said he was last seen running north through the parking lot.