At 5:32 p.m., video shows Dustin Dennis leaving his apartment to search for the children and finding them dead in the back seat of his truck.
Dustin Dennis and his brother, Michael Dennis, were charged with use of a communication facility in committing, causing, and facilitating the commission of a drug-trafficking felony. Dustin Dennis was also charged with two counts of child neglect.
In the plea agreement, Dustin Dennis and prosecutors agreed to a sentence between 36 and 72 months in federal prison and five years of supervised release. A U.S. District Judge will issue the final sentence on Nov. 10, 2021.