'I can't watch you having sex with somebody else': Man accused of strangling a female co-worker and stuffing her body into a suitcase told a friend that he 'crossed the line sexually after foursome'

  • Joshua Palmer, 32, was arrested for the murder of Shauna Haynes, 21
  • Haynes' body was found stuffed in a suitcase at a San Diego hotel 
  • Friends testified that he told a friend that he 'crossed line sexually'
  • Palmer allegedly had sexual encounter with three other people in April
  • In video obtained by police Palmer was heard saying: 'I'm sorry I love you, but I can't watch you having sex with somebody else. God I'm sorry'
  • If convicted he faces capital punishment or life in prison without parole

By Valerie Edwards For Dailymail.com

Published: 17:21 EST, 9 October 2016 | Updated: 22:30 EST, 9 October 2016

A 'foursome' may have led to the gruesome murder of a 21-year-old woman whose body was found stuffed in a suitcase at a San Diego hotel.

Joshua Palmer, 32, was arrested in connection with the murder of Shauna Haynes after a sexual encounter that allegedly included four people.

Palmer, who is accused of strangling Haynes before stuffing her body in a suitcase, told a friend that he 'crossed the line sexually', a witness testified on Wednesday.

Samantha Joyce testified at a preliminary hearing for Palmer and said he text her on April 5, saying he went back to his hotel room with a woman named Chelsea the night before, according to ABC 10 News.

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A detective testified that Palmer (pictured) called 911 after the incident and reported his girlfriend missing
Haynes' body was found stuffed in a suitcase by a man taking out the trash

A 'foursome' may have led to the death of 21-year-old, Shauna Haynes (right), whose body was stuffed into a suitcase at a San Diego hotel. Joshua Palmer, 32, was arrested in connection with the murder of Haynes after a sexual encounter

Palmer, who is accused of strangling Haynes before stuffing her body in a suitcase, told a friend that he 'crossed the line sexually', a witness testified on Wednesday. Anthony Kern (pictured) who was involved in sexual encounter also testified in court 

Palmer, who is accused of strangling Haynes before stuffing her body in a suitcase, told a friend that he 'crossed the line sexually', a witness testified on Wednesday. Anthony Kern (pictured) who was involved in sexual encounter also testified in court 

In her testimony, she said Palmer told her that Haynes, who was his co-worker at the Spaghetti Factory restaurant, and another man, Anthony Kern, were also there.

Joyce said that she saw Palmer and Haynes together occasionally at the restaurant where she worked, the station reported. 

'They just seemed to be really good friends,' Joyce said.

A detective also testified that Palmer called 911 after the incident and reported his girlfriend missing, ABC reported.  

Samantha Joyce, testified at a preliminary hearing for Palmer. She said that she saw Palmer (left) and Haynes (right) together occasionally at the restaurant where she worked and that they seemed like 'really good friends'

Samantha Joyce, testified at a preliminary hearing for Palmer. She said that she saw Palmer (left) and Haynes (right) together occasionally at the restaurant where she worked and that they seemed like 'really good friends'

Police were reportedly able to obtain a search warrant for Palmer's phone and found videos that showed Haynes unconscious. In one video, Palmer (pictured) was allegedly heard apologizing and saying that 'I can't watch you having sex with somebody else'

Police were reportedly able to obtain a search warrant for Palmer's phone and found videos that showed Haynes unconscious. In one video, Palmer (pictured) was allegedly heard apologizing and saying that 'I can't watch you having sex with somebody else'

Police were reportedly able to obtain a search warrant for Palmer's phone and found videos that showed Haynes unconscious. 

Palmer is heard on one video saying that the sexual encounter turned into a 'foursome'.

In another video, Palmer was heard saying: 'I'm sorry I love you, but I can't watch you having sex with somebody else. God I'm sorry,' ABC reported. 

Deputy District Attorney Martin Doyle alleged that Palmer stuffed Haynes' body into the suitcase and threw it out with the garbage, the station reported.

On April 6, a man, identified only as 'Phil', found the suitcase, lifted it and noticed that it was extremely heavy.

When he realized human hair was stuck in the zipper, he called police. 

'I was taking out the garbage and I went around to the back of the building and saw a black garbage can, one of them was turned over.

'I dropped it and looked down and saw hair, black hair coming out...because it was zipped up, but you could still see the hair,' Phil told NBC 7 San Diego. 

Police arrived on scene and confirmed Haynes' body was inside. 

Two days after her body was found, police interviewed and arrested Palmer.

He is charged with murder, with special circumstance allegations of murder during a rape, murder during sodomy and murder during a rape by an instrument, which would potentially make him eligible for the death penalty.

Palmer could face capital punishment or life in prison without parole if he's convicted.

Haynes' body was found in this suitcase (pictured) after a man taking out his trash noticed it was unusually heavy and black hair was sticking out of the zipper. Palmer could face capital punishment or life in prison without parole if he's convicted

Haynes' body was found in this suitcase (pictured) after a man taking out his trash noticed it was unusually heavy and black hair was sticking out of the zipper. Palmer could face capital punishment or life in prison without parole if he's convicted

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