Remains of Lori Vallow's children found at her husband's home, family says. He's now charged with destroying evidence.

Chad Daybell, the stepfather of two children who have been missing since last year, was charged with destroying evidence Wednesday as prosecutors said two children's remains were found on his Idaho property.

The children of Lori Vallow, Daybell's wife, have not been seen since September. Tylee Ryan, 17, was last seen when she visited Yellowstone National Park on September 8 with her brother, her mother and her uncle Alex Cox, according to authorities. Joshua "JJ" Vallow, 7, was last seen at a school in Idaho later that month.

The families of the children said in a statement Wednesday that the remains "are indeed our beloved JJ and Tylee."

"We are filled with unfathomable sadness that these two bright stars were stolen from us, and only hope that they died without pain or suffering," said Larry and Kay Woodcock, J.J.'s biological grandparents, Colby Ryan, Lori Vallow's son from a prior marriage, and Kelsee Ryan, Colby's wife, in their statement.

"This is the worst news we will ever get in our lives and want to be left alone for the time being," they said, adding that "once officially confirmed, statements from The Rexburg Police, The Medical Examiner and the FBI will be released."

The charges filed against Daybell allege he concealed the remains sometime between September 2019 and June 2020. His bail was set at $1 million.

Vallow, is currently awaiting trial for multiple charges, including two felony counts of desertion and nonsupport of children, according to a criminal complaint filed with an Idaho court.