Lindsay Clancy's former mother-in-law says she was "begging for help" as murder trial continues

Lindsay Clancy's former mother-in-law, Susan Clancy, took the stand Tuesday to offer testimony as Lindsay Clancy stands on trial for the killings of her three children. CBS News' Shanelle Kaul has more.

Lindsay Clancy's former mother-in-law, Susan Clancy, took the stand Tuesday to offer testimony as Lindsay Clancy stands on trial for the killings of her three children. CBS News' Shanelle Kaul has more.