Willford was arrested at a home on the 3500 block of North 15th Street.
Police knocked on the door and were allowed by a resident to enter, and they found Williford hiding behind the water heater in the building's basement.
On December 1, 2008, police found Samantha Houston, 20-year-old Amin Payne and 3-year-old Amin Payne all shot. Investigators were called to a home on the 3300 block of Mutter Street just after 5 a.m. on December 1.
Williford faces murder, attempted murder, burglary and other charges.
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