 Children were particularly susceptible to kidnapping; in a two-year period, at least a hundred children were abducted in Philadelphia alone.From 1811 to 1829, Martha "Patty" Cannon was the leader of a gang that kidnapped slaves and free blacks, from the Delmarva Peninsula of Delaware, Maryland, Virginia, and Chesapeake Bay and transported and sold them to plantation owners located further south.She was indicted for four murders in 1829 and died in prison, while awaiting trial, purportedly a suicide via arsenic poisoning.