KANSAS CITY, Kan. (AP) — Federal immigration authorities twice missed chances to detain a Mexican national in the U.S. illegally before he allegedly killed four men in Kansas and one in Missouri, according to a lawsuit filed by relatives of two of his victims.

The lawsuit filed in Kansas City, Kansas, says Immigration and Customs Enforcement officials didn't follow proper procedures, resulting in Pablo Serrano-Vitorino being released from jail twice before March 7, 2016, when authorities say he shot four men in Kansas City, Kansas. He is accused of fatally shooting another man in Montgomery Co...