Vance Boelter is accused of posing as a police officer and fatally shooting former Democratic House Speaker Melissa Hortman and her husband, Mark, in their home early Saturday in the northern Minneapolis suburbs. Authorities say he also shot Sen. John Hoffman, a Democrat, and his wife, Yvette, at their home in a nearby neighborhood.

Here’s what we know about the 57-year-old charged with the murders of state representative Melissa Hortman and her husband and shootings of state senator John Hoffman and his wife.

After a 43-hour search, Vance Boelter was arrested in rural Sibley County and charged with two counts of murder and two counts of attempted murder.