Man to go on trial in slaying of sisters of Iowa lawmaker

Prosecutors have said that they intend to seek the death penalty if Wade is convicted of first-degree murder, citing the circumstances of the killings and the defendant's criminal history.

Defense attorneys unsuccessfully challenged the DNA evidence and a software program that interprets such evidence using a statistical model, but the judge barred prosecutors from using two previous convictions that they maintained showed a pattern on the part of the defendant.