"Hailey Dean Mysteries: Killer Sentence" star Kellie Martin shares how Hailey has grown, changed, and "found her way back to her roots" in the three new movies in this compelling Signature Mystery Series. | Hallmark Mystery

2.7K views · 158 reactions | Sleuthers, check out this look at Sunday night's "Hailey Dean Mysteries: Killer Sentence"! | Hallmark Mystery | Facebook

How did working on the Hailey Dean series feel like a return to a "cool summer camp"? Matthew MacCaull, who returns as Jonas McClellan in tomorrow night's "Hailey Dean Mysteries: Killer Sentence," explains. | Hallmark Mystery

3.2K views · 172 reactions | Former Atlanta DA turned therapist Hailey Dean will help solve crimes and marriage problems with equal expertise. Tune in for a Signature Mystery Series marathon of "Hailey Dean Mysteries," this Sunday at 11am/10c, and watch out for special content from the cast and crew as they host the marathon from their homes. | Hallmark Mystery | Facebook

Solve alongside Hailey and Fincher and find the killer victimizing a hospital! Six full weeks of mysteries back to back continues this Sunday with "Hailey Dean Mysteries: A Prescription for Murder"! | Hallmark Mystery