The Nebraska Supreme Court has dismissed a prosecutor's motion to rehear arguments in the case of a man who says evidence against him in the death of his 4-year-old son was planted.

In July, the Nebraska Supreme Court granted Ivan Henk a hearing on allegations that former Douglas County CSI director Dave Kofoed violated his civil rights as the crime lab investigated the death of Henk's son, Brendan Gonzalez.

In 2010, Kofoed was convicted of evidence tampering in an unrelated murder case.

Prosecutors had asked the Nebraska Supreme Court to revisit its July decision, but last week, the high court dismissed prosecutors' motion without comment.

Henk is serving a life sentence after pleading guilty in 2005. Brendan's body has never been found.