ARCADIA, Calif. -

Residents of a Southern California home are wondering how a stranger dead wound up dead in the bottom of their backyard pool.
   
The Pasadena Star-News says Arcadia police were called to a home early Thursday and found the body of 35-year-old Greg Chen of Arcadia.
   
Chen was barefoot and wore black pajama bottoms and a white T-shirt.
   
Police say the residents of the home discovered Chen's body after noticing a strange dog in their yard.
   
Sgt. Brian Ortiz says there was no blood and no sign of injury on Chen's body. An autopsy is pending.