Charges planned against the mother , stepfather of 4-year-old boy found dead . Nathan Sloop body buried in shallow grave after severe beating , police said . Stephanie Sloop , 31 , and Nathan Sloop , 31 , are being held without bail at Salt Lake City jail . Authorities expect to charge couple with aggravated murder , other charges .
Charges planned against the mother , stepfather of 4-year-old boy found dead . Ethan Sloop 's body buried in shallow grave after severe beating , police said . Nathan Sloop , 31 , and Stephanie Sloop , 27 , are being held without bail at Utah jail . Authorities expect to charge couple with aggravated murder , other charges .