. >> denis callaghan was 70 years old. >> the remains of we need used and are back home in newark, new jersey. not rigid of whitney houston are back in newark, new jersey. -- the remains of the whitney houston are back in newark, new jersey. >> many questions remain to be answered about what killed her. >> the body arrived late monday night in her home state of new jersey. early in the day, remains were taken to the funeral home, where it was prepared for the flight back to her home town of newark, but as she made her final flight, questions continue. the los angeles county coroner's office confirmed bottles of prescription pills have been found in the hotel room and that they are looking into all possibilities that could have led to her death. >> she could have suffered a heart attack or something, and no matter what medications they are taking, until we run a test on a level to see what was in the system, we are not going to speculate. >> toxicology reports could take up to six weeks to be completed. other factors like drowning it will be looked into. the police department said her b