Domestic partners ‘increasingly likely’ to use poison to harm, kill partners, DHS says

The Department of Homeland Security (DHS) is warning law enforcement agencies across the U.S. about an uptick in people using poisons, such as cyanide, to kill or harm their domestic partners. There were 17 documented instances of people using chemical or biological toxins against their partners between 2014 and 2025, resulting in at least 11…