Vance Boelter, 57, impersonated law enforcement when he carried out the violent rampage early Saturday, authorities said.

Vance Boelter is the man accused of the assassination and attempted assassination of two Minnesota state lawmakers.

His social media posts resemble those of a frequent user on right-wing message boards rather than those of a U.S. senator.

The man charged with killing one Minnesota lawmaker and wounding another in what prosecutors have described as a meticulously ...

Before Vance Boelter was accused of killing a Democratic state lawmaker, he had an active, even grandiose, religious life.

Senators are set to receive an all-member briefing on security from the Senate Sergeant at Arms and U.S. Capitol Police on Tuesday morning.

One lawmaker and her husband were killed, and the second legislator and his wife sustained serious injuries in the shootings ...

WASHINGTON (AP) — Threats to members of Congress are on the rise, security officials told senators on Tuesday at an emergency ...

Sen. Mike Lee (R-UT) finally bowed to pressure on Tuesday and removed social media posts in which he appeared to mock the ...