The wife of Vance Luther Boelter, Jennifer Boelter, was detained by police for questioning after a traffic stop late Saturday morning near Onamia, Minnesota. Her husband, Vance Boelter, is the subject of an intense manhunt and is suspected of shooting two Minnesota state lawmakers—killing one—and injuring both of their spouses. Inside the vehicle, investigators reportedly found a weapon, ammunition, cash, and passports, according to two sources. As of late Saturday night, no arrests have been made, but all occupants of the vehicle are being questioned. It’s still unclear what led to the traffic stop—whether the vehicle was being tracked or...