Officer intervention likely prevented more deaths after suspect Vance Boelter allegedly killed state Rep. Melissa Hortman on Saturday, police chief says.

Accused Minnesota assassin Vance Boelter's alleged plan to kill more politicians on his target list was foiled by a police sergeant's proactive hunch, and his capture came after he made a big misstep that exposed his whereabouts to an eagle-eyed neighbor,

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

MINNEAPOLIS (AP) — The man charged with killing one Minnesota lawmaker and wounding another in what prosecutors have described as a meticulously planned attack, had dozens of apparent targets, including officials in at least three other states.

Vance Boelter was charged in the shooting of two Minnesota lawmakers. Iowans were on lists found in his notebook, police said.

Minnesota Rep. Melissa Hortman and her husband Mark were killed. Sen. John Hoffman and his wife were injured in the shooting.

Live updates: Minnesota lawmaker shooting suspect to appear in court on murder charges after huge manhunt Almost 200 law enforcement — including members of 20 regional and local SWAT teams — descended on eastern Sibley County to apprehend suspect Vance Boelter.

Democratic Sen. John Hoffman, his wife, and House Democratic leader Melissa Hortman were injured in what the governor describes as targeted shootings.