updated 12/10/2010 2:45:25 AM ET 2010-12-10T07:45:25

Police Thursday night were investigating the "suspicious death" of a 51-year-old man found inside his Tustin townhome.

Lt. Tom Tarpley said police were called to the 1400 block of Valencia Avenue at 7:51 a.m. Investigators were removing evidence from the home well after 9 p.m.

Tarpley told NBCLA there was evidence of trauma to the body and investigators were treating the death as a homicide. No suspects were named or in custody.

The victim's name was not released pending notification of next of kin.