chuck gillingham is a deputy district attorney in palo alto. was gasoline there? >> no question at all. it's in her hair. you can smell it when you walked in just with your own nose, and the remnants of the gas can was found next to her right hip. there was still enough remnants of the gas can to identify the type and make and model of the gas can. >> wow. that's like somebody leaving a gun beside the body with their fingerprints all over it, isn't it? >> no fingerprints and no physical evidence beyond that. >> but it was so clear that it was an arson? >> correct. and the arson was not at issue. >> no, it was cold-blooded murder that was at issue because jennifer schipsi did not die in the fire. according to forensic experts, she was dead before the fire started. the method? a particularly intimate form of killing. death by strangulation. personal killing. it's a very angry killing. it's not like shooting someone from a long way away, i don't imagine. you're touching the person and feeling their life's blood ebb from them. >> who could have been so angry with jenn

chuck gillingham is a deputy district attorney in palo alto. was gasoline there?'s in her hair. you can smell it when you walked in just with your own nose, and the remnants of the gas can was found next to her right hip. there was still enough remnants of the gas can to identify the type and make and model of the gas can. >> wow. that's like somebody leaving a gun beside the body with their fingerprints all over it, isn't it? >> no fingerprints and no physical evidence beyond that. >> but it was so clear that it was an arson? >> correct. and the arson was not at issue. >> no, it was cold-blooded murder that was at issue because jennifer schipsi did not die in the fire. according to forensic experts, she was dead before the fire started. the method? a particularly intimate form of killing. death by strangulation. >> strangling someone is a very personal killing. it's a very angry killing. it's not like shooting someone from a long way away, i don't imagine. you're touching the person and feeling their life's blood ebb from them. >> who could have been so angry wit