(Wheatfield, IN) - A Northwest Indiana couple is accused of murdering their two children after bones were found in the yard.  Samantha Sebella, 31, and Steven Valle, 25, are being held in the Jasper County Jail for allegedly killing their children and burning the bodies in a backyard firepit.

They are in the Jasper County Jail facing charges of neglect of a dependent causing death, abuse of a corpse and failure to report a dead body.  The investigation began September 20th when police received a call from a couple claiming Valle confessed, “I killed my two kids,” according court documents.

When asked more questions, Valle allegedly said he and Sebella “smothered their first born but had drown the second born and burnt their bodies in the firepit at their house,” court documents revealed.

Authorities then responded the home in Wheatfield where Sebella and Valle previously lived and found human bone fragments.

Police say the children were “undocumented,” meaning they were born at home without medical or government records.