Black Widows Series: Catherine and Margaret Flannagan

This episode is part of our “Black Widows” series, where we detail how these female criminals lured their prey, and why they chose to kill. Tune every day this month for a new episode! Regular Female Criminals episodes will continue to run every Wednesday. Today, we’ll meet the “Black Widows of Liverpool,” a pair of sisters who poisoned lodgers and family members to collect insurance money... Learn more about your ad choices. Visit megaphone.fm/adchoices