Mother, son receive life sentences for killing marijuana shop robbery witness

ARAPAHOE COUNTY, Colo. - A mother and her son have been convicted of first-degree murder in the killing of a robbery witness in a marijuana shop robbery case from 2016.

Terance Black and Tina Black both were convicted of first-degree murder in the death of David Henderson last week after a joint trial that began Jan. 22.

They were sentenced to life in prison Thursday in Arapahoe County District Court.