FWIW, it was reported right after the murder was announced that Mr. Giovanditto's black Corvette was found parked at an apartment complex in Kissimmee.
http://www.chicagotribune.com/news/...ion-murder-20101206,0,1997189.story?track=rss
"......David-Israel Zenon Murillo, 28, who had been living at a campsite near Kissimmee, said the victim, Matteo Patrick Giovanditto, 58, tried to put something in his drink in an attempt to sexually assault him.
Osceola County investigators say Murillo struck Giovanditto with a hatchet he found in a closet and slammed Giovanditto's head into the kitchen floor until the victim lost consciousness.
Giovanditto "was a sick man and he got what he deserved," Murillo said while being escorted to a sheriff's car for a trip to the Osceola County Jail.
"Something came over me," Murillo added. "I don't know what happened, you know. I felt so mad that he did that...."
More at link
For some reason, this young man does not strike me as a person who camps out. Maybe things are different in Florida than in Oregon but he looks mighty well-groomed to be living in the outdoors.
If there were "date-rape" drugs in the house, I hope LE found them.