Missing 3-year-old found dead, Milwaukee police say

Police in Milwaukee, Wisconsin said Thursday that a missing 3-year-old boy was found dead.

An Amber Alert was issued for Major Harris on Saturday, Milwaukee ABC affiliate WISN-TV reports. His mother, Mallery Muenzenberger, was found dead a week ago.

Police said six people had been arrested in her death in the past 24 hours, but four have since been released.

No other details were immediately available.

Police said their investigation remains active.