The former Los Angeles police detective convicted in 2012 of killing Sherri Rasmussen is making news yet again this week. A new "20/20" features exclusive interviews and a look at how ...

The former Los Angeles police detective convicted in 2012 of killing Sherri Rasmussen is making news yet again this week. A new "20/20" features exclusive interviews and a look at how ...

The former Los Angeles police detective convicted in 2012 of killing Sherri Rasmussen is making news yet again this week. A new "20/20" features exclusive interviews and a look at how ...

At the hearing on Monday, Rasmussen's sister and widower testified to the emotional turmoil caused by Lazarus' actions. “We’re not here today — 38 years after Sherri’s brutal murder, reliving the ...

Rasmussen’s case was shelved. “I thought that the crime would never be solved,” said Rasmussen’s sister Teresa Lane. Then in 2009, L.A. homicides were down and Rasmussen’s case was reopened.

A former Los Angeles police detective was convicted of murdering her ex-boyfriend’s wife in 2012, more than two decades after Sherri Rasmussen was killed in her Southern California condo.

Stephanie Lazarus was convicted in 2012 of killing Sherri Rasmussen, a 29-year-old nurse who was bludgeoned and shot to death in the condo she shared with her husband of three months, John Ruetten.

A chance for parole has been delayed for a former Los Angeles police detective serving a sentence of 27 years to life in the cold-case slaying of her ex-boyfriend's wife in 1986.