ON THE CASE WITH PAULA ZAHN has been a cornerstone of Investigation Discovery’s schedule at 10 PM on Sunday nights since the series’ launch in October 2009. And this past Sunday, June 3, ON THE CASE launched its sixth season with a 1.01 Household rating, which is the fourth time the series has broken the 1.0 benchmark in primetime. The season premiere delivered 947k People 2+, which represents the second highest primetime audience in the series’ history. In this episode, “Mystery in the Desert,” Zahn explored an investigation that spanned five decades and the clemency requests of William Macumber, who claims he was framed for the double-murder by his ex-wife.
The complete press release is included after the jump.