Assault Suspect Tries Hiding Under Mattress in Storage Shed A 25-year-old Kennewick man is in the Benton County jail after learning hiding under a mattress doesn't work. Wednesday evening, Kennewick Police responded to the 700 block of South Garfield for a report of an alleged assault that had occurred in a vehicle. When they got there, Police were told the suspect, identified as 25-year-old Maclovio Madrigal-Morfin, was hiding in the backyard of the home. Officers called out to him and ordered him to exit and show himself, but there was no reply. A search ensued, and Officers found him inside a storage shed, hiding under a mattress. Didn't work.