Trooper details crime scene evidence collection at Lindsey Clancy's home

A crime scene services trooper recounts collecting samples from Lindsey Clancy's residence. The officer details returning to her Duxbury home months later to test red-brown stains on exterior shingles.

A crime scene services trooper testifies about evidence collection in the Lindsey Clancy case. The officer describes collecting samples from under Clancy's fingernails and later returning to 47 Summer St. to examine red-brown stains on the house shingles, some of which tested negative.