INVESTIGATION DISCOVERY'S SIGNATURE SERIES "ON THE CASE WITH PAULA ZAHN" BREAKS RECORD RATINGS

DELIVERING BEST TELECAST FOR P25-54 AND MORE THAN 1.4M P2+

Investigation Discovery's cornerstone series, ON THE CASE WITH PAULA ZAHN hit ratings highs for its Live +3 Day performance with "A Nightmare in Memphis" episode on Sunday 3/8/15 at 10pm, posting its highest series telecast ever in P25-54 (717k) delivery and the 2nd highest on P2+ delivering 1.43 million viewers. The premiere also ranked in the Top 10 ID Prime telecasts of all-time for P25-54 delivery.

ON THE CASE WITH PAULA ZAHN, airing Sundays at 10/9c, continues to bring fascinating mysteries from within our justice system to give viewers a first-hand look through original reporting by Emmy Award-winning journalist, Paula Zahn. This week's episode, "Deadly Warning," premiering Sunday, March 15 features the Hyrum, Utah story of 15-year-old Trisha Autry who vanishes in the middle of the night. Would a friend's terrifying secret help solve the case?

About Investigation Discovery

Investigation Discovery (ID) is the leading mystery-and-suspense network on television and America's favorite "guilty pleasure." From harrowing crimes and salacious scandals to the in-depth investigations and heart-breaking mysteries that result, ID challenges our everyday understanding of culture, society and the human condition. One of our nation's fastest growing cable networks, ID delivers the highest-quality programming to more than 86 million U.S. households and is available in both high definition (HD) and standard definition (SD). For more information, please visit InvestigationDiscovery.com, facebook.com/InvestigationDiscovery, or twitter.com/DiscoveryID. Investigation Discovery is part of Discovery Communications (Nasdaq: DISCA, DISCB, DISCK), the world's #1 pay-TV programmer reaching nearly 3 billion cumulative subscribers in 220 countries and territories.