Investigation Discovery adds three series

Doc series join fastest-growing primetime audience in cable

Investigation Discovery announced a trio of new series for fall: "Who the Bleep Did I Marry?" "Hardcover Mysteries" and "The Will: Family Secrets Revealed."

Touting the fastest-growing primetime audience in cable, the modest-sized cable network will launch the three documentary series in the upcoming months.

"Marry" will examine true stories where spouses have hidden a secret; "Hardcover" has bestselling authors discussing real-life crime cases that inspired their novels; "The Will" is a reality series where the final wishes of the deceased are revealed to family members.

"ID prides itself on covering real stories of mystery and intrigue through captivating storytelling of the highest quality," said Henry Schleiff, president and general manager of Investigation Discovery. "This fall, our programming expands the definition of justice programming to include provocative series ... we're thrilled that our audience continues to respond in record numbers."

The shows join five returning shows on the network.