A Dane County judge will allow DNA tests of evidence for a man convicted of killing his wife in 1990, but it will be at his own expense and he?ll have another significant hurdle to leap if the tests reveal anything useful. Steven J. McConnell-Luer was convicted of strangling his estranged wife, Kimberly, in 1990 and attempting to kill their children by sparking a natural gas explosion in the rural Stoughton trailer home where the three of them lived. McConnell-Luer?s case has been taken on by the Innocence Project at UW-Madison, which in its legal briefs questioned the credibility of witness reports that placed McConnell-Luer at the trailer park.