Erin Patterson, convicted of murdering three family members, was also suspected of attempting to poison her estranged husband on several occasions prior to the fatal incident.
FBI leadership purged amid political controversy, sparking concerns about the agency's independence and agent morale.
Helicopter crash kills two, disrupts river and bridge traffic in Illinois
Erin Patterson, convicted of murdering three family members, was also suspected of attempting to poison her estranged husband on several occasions prior to the fatal incident.
FBI leadership purged amid political controversy, sparking concerns about the agency's independence and agent morale.
Helicopter crash kills two, disrupts river and bridge traffic in Illinois