A man found killed in his home Monday died of a blow to the head from a blunt object, police said Wednesday.

Gilbert T. Lisonbee, 85, was found dead about 3 p.m. on Monday in his home at 2636 S. Green St. Police believe the crime occurred about 11 a.m.Salt Lake Police Detective Jerry Mendez said Lisonbee was beaten about the head with at least one glass object.

Broken jars were found inside the home, which apparently was ransacked following the homicide, Mendez said.

There was no sign of forced entry and it is unknown what, if anything, is missing from the home.