An 83-year-old was caught on camera shopping in a motorized scooter with something unusual - a woman's severed leg.

Harvey Marcelin is accused of killing her, cutting up her body, and dropping off parts across New York City.

But it's not the first time Marcelin has been accused of murder.

Marcelin was convicted of killing a girlfriend in 1963, and another girlfriend in 1985.

After getting released from prison a second time, Marcelin is accused of striking again.

This is Part 1 of a two-episode murder mystery.

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