A pair of paranormal investigators who appeared on the hit Travel Channel series "Ghost Adventures" was found dead Tuesday following a standoff with police.
Authorities in Sparks, Nevada, discovered the bodies of Mark Constantino, 53, and his estranged wife, Debby, 52, during their investigation of an earlier homicide in Reno. Sparks police Lt. Rocky Triplett said the incidents are "directly related," according to The Associated Press.
The two were found dead when a SWAT team stormed their adult daughter's apartment in response to a hostage situation.
Officials weren't saying how the victims died but said Mark Constantino fired at officers who approached the apartment door.
Triplett said Wednesday that officers did not return fire.
"The subjects involved in this incident were not shot at or injured by gunfire from any law enforcement personnel," he said in an email to The Associated Press.
Police said the victim in the earlier incident was the roommate of Debby Constantino, according to the Reno Gazette-Journal. Authorities determined that Constantino was missing, and used her cellphone to locate her and her husband at their daughter's apartment.
Officers heard several gunshots when they knocked on the apartment door and heard a man yelling at police to leave. The man told the officers, "Give me 15 minutes to gather my thoughts, or I'll kill her," Reno Deputy Police Chief Tom Robinson told the newspaper.
The Constantinos were featured in recent years on the Travel Channel's series, including episodes shot at the Mustang Ranch brothel east of Reno, the Goldfield Hotel and the Market Street Cinema in San Francisco.
Zak Bagans, host of "Ghost Adventures," tweeted after the incident that it was a "dark day."
The couple had a history of domestic violence.
Washoe District Court records show Debby Constantino obtained a restraining order that was served on her estranged husband last week, and the two were scheduled to appear in court in December regarding their pending divorce.
Reno Police Lt. William Rulla told the Reno Gazette-Journal that Debby Constantino also was the victim in an earlier kidnapping and domestic incident involving Mark Constantino.
Details regarding the identity of the first victim and how the couple was killed were not immediately released.
The Associated Press contributed to this report.
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