Karen talks with longtime friend and former prosecutor Nancy Grace about the most emotional moments from her career.

A crime scene reconstruction tells a much different story than the suspect does in the stunning conclusion to Kim Dorsey's story.

Karen relives the most challenging case of her career with colleagues Detective Kim Long, Prosecutor London Kite, Detective Larry Kuczkowski and Sergeant Karen Dukes.

An investigation relies on bloodstain evidence to indisputably reveal,who murdered Jessie Bracelett on a cold December morning.

Detectives rely on the forensic reconstruction to detangle a twisted case with conflicting eyewitness accounts.

A man turns himself in after murdering Trina Joseph — but he tells a much different story than the forensic evidence indicates.

Prosecutor Janeen Kirch details her experiences in the State Attorney's Office.

A murder investigation comes down to one crucial piece of evidence that multiple officers, detectives, and forensic investigators nearly missed.

Karen speaks with mentor Detective Eileen Simpson, about her method for dealing with the emotional aftermath.

A cut-and-dried case threatens to crumble in the courtroom when the defense makes an argument that could let a killer walk free.