CSI: Crime Scene Investigation Season 4 Episode 3

Grissom investigates a home invasion which results in the death of an old woman living alone in her house. She is found, mummified, in a closet. Her death is probably unintentional. Another home invasion is also reported. Finger prints from the two crime scenes link the two incidents together. Meanwhile, Catherine must find out how a gun ends up in a front lawn of a house in the suburbs.