Tateona Williams says she contacted homeless services in different cities and states but did not get help before her children Darnell, 9, and Amillah, 2, died

Two children in Detroit died of suspected exposure to the cold after being found unresponsive in the van where the family was living Monday, police said.

Three other children in the van will be OK, police said. The kids' mother was initially detained, then released from custody.