Angeline Hartmann of the National Center for Missing and Exploited Children (NCMEC) and Live PD spoke with A&E True Crime about the NCMEC's response to the Jayme Closs news, misconceptions about missing children cases and the single most valuable tool in being able to find missing kids.

A&E True Crime asked Live PD analyst Tom Morris Jr. to look back on the past year and tell us about the show moments most memorable to him. From a dog in a bar to an intense takedown, here are his Top 5.

A&E True Crime spoke to the Richland County Sheriff's Department Deputy Sheriff about some embarrassing moments on the job, the story behind his Twitter handle, what he's learned from other Live PD cops and his work on his department's Community Action Team.

Sgt. Curley of the Warwick (Rhode Island) Police Department, talks to us about intense situations at work, the best thing about his job and how he's doing in his newest role—as a dad.

Deputy Nick Carmack of the Pasco County (Florida) Sheriff's Department talks to us about life with his K-9 partner, Shep.

True-crime author Michael Arntfield talks about homicide detective Pat Postiglione, who headed up Nashville's cold-case Murder Squad and solved dozens of unsolved murders, and how the country-music mecca became a murder hub.

Read an excerpt from Michael Arntfield's true-crime book, 'Monster City,' about serial killer Tom Steeples, a computer store owner who found two of his victims, a newly married couple, at a dive bar's amateur showcase.

With the national homicide-clearance rate below 60 percent, the odds are good that eventually a detective—even an excellent one—will run into a dead end: The case that goes cold, that leaves a family grieving without justice and a detective grasping for answers, even after retirement.

A&E True Crime spoke to the Greene County (Missouri) Sheriff's Office officer about working with K-9 Lor and a few truths about police dogs that he'd like the world to know.

Tricia Griffith, who runs the web forum Websleuths, talks to A&E True Crime about her close encounter with Ted Bundy, how the online community dug into the Casey Anthony case and why she believes police should let amateur detectives help investigations.