A PROSTITUTE shot a client in the head because he was giving her bad oral sex, she claimed.

Marissa Wallen, 21, allegedly blasted the man twice at his home before making off with his wallet and going on a spending spree.

5 Marissa Wallen, 21, is accused of shooting and robbing a client after he 'gave her bad oral sex', court docs said Credit: Facebook/Marissa Wallen

Her alleged victim, 36, miraculously survived the shooting at his home in Everett in the US state of Washington on 21 October.

The mum-of-one wept as she appeared in court on Thursday, where documents said she was an "emotionless, cold and calculating" escort, local news site My Everett News reported.

The probable cause file added: "In the end she said that she shot [the victim] two times in the head because he was preforming oral sex wrong and she did not know how to tell him that".

Wallen's alleged victim, who has not been named, had more than £9,000 stolen from his accounts, investigators said.

5 Wallen was described as 'emotionless, cold and calculating' in court documents Credit: Facebook/Marissa Wallen

5 The 21-year-old is said to have made off with her alleged victim's wallet and used his cards to go on a spending spree of more than £9,000 Credit: Facebook/Marissa Wallen

Police were alerted when the man's boss reported that he had not signed in online for his work-from-home job.

He was found three days later conscious but unresponsive. He remains in hospital.

Mark Barnum, who lives next door, told KIRO 7: "I was stunned on Tuesday when the first detective came to our door.

"He said your neighbour was shot twice in the head."

5 Wallen wept as she appeared before a judge on Thursday to have her bail set Credit: Kiro Seven

5 She has been charged and is held with a $1million bail Credit: Facebook/Marissa Wallen

He added: "I heard what sounded like two or three taps coming from the wall. It was notable because we don’t usually hear anything."

Wallen, who police say has confessed, is being investigated on suspicion of first degree assault, first degree robbery and first degree identity theft.

Her bail is set at $1million — which police say she was seeking from a regular customer.

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