Authorities publicly identified Robert Card as a person of interest about four hours after he shot and killed 18 people and wounded 13 others during attacks last week at a bowling alley and bar in Lewiston, Maine. But Card, who was found dead two days after his rampage, had been well known to law enforcement for months. Here's a look at some of the interactions he had with sheriff's deputies, his family and members of his Army Reserve unit, as gleaned from statements made by authorities and documents they released:
MAY:
