An American suspected of killing a Thai man and dumping his body on a Sydney street left Australia before the police could identify the victim.
Alex Dion then contacted the police while he was hiding in California to prevent detectives from smelling them.
Wachira & # 39; Mario & # 39; Phetmang was last seen alive at a gas station in South Hurstville on May 25, 2018.
Wachria & # 39; Mario & # 39; Phetmang's body (pictured) was found tied up on June 6, gagged, wrapped in plastic, and found covered with a mattress protector on the side of Homebush Bay Drive
He was reported missing by his sister on June 3, and his body was discovered by a truck driver three days later. Detectives believe that it was on the road for days until it was discovered.
The 33-year-old victim was tied up and gagged with a torn T-shirt, wrapped in corflute plastic and covered with a mattress protector on Homebush Bay Drive in Sydney Olympic Park.
Mr. Phetmang had suffered more than 20 wounds to the head, but the police still have not found out where or when he was killed.
"A black 12-size Dewalt work boot for men was found under the flute," documents from NSW police received by US anti-terrorist researcher Seamus Hughes.
The gruesome scene was far removed from the bubbly, colorful social life that the spa worker and barista had led at least 10 years ago since he moved to Sydney.
The NSW police released CCTV footage in mid-2018 showing how Mr. Phetmang entered the gas station on May 25.
AAP said Wednesday that Dion, who was born in Lebanon, was shot with the same camera and reportedly left behind with Mr. Phetmang.
"The t-shirt Dion wore matches the t-shirt that tied Phetmang's wrists," police documents claim.
Pictured is Homebush Bay Drive, where the 33-year-old's body was discovered on June 6
The American reportedly called Triple Zero on May 27 and said he tried to help "a friend" with a drug problem, but a dealer was now threatening him.
That day, he used a pressure washer to wash the inside of his car before leaving it unlocked and dripping into his apartment complex, as the documents show.
A few hours later he got on a flight and left Australia.
When detectives from Sydney asked the public for information on June 20, Dion called Australian authorities from the United States.
He told the police about methamphetamine deals between him, Mr. Phetmang, and two other people.
"He believed that (one of the other men)" did something bad, "documents say.
Mr. Phetmang (pictured) was last seen alive on May 25 last year at a gas station in South Hurstville, a southern suburb of Sydney
Australian detectives continued to speak to the 38-year-old the following week and he reportedly announced that he owned Mr. Phetmang's cell phones and credit cards
The cards were used in California and Tijuana, Mexico in early June.
When Dion's Sydney unit was searched, DNA evidence, identical corflutoplasty, and a black work boot were found that matched Mr. Phetmang's body.
The Australian authorities issued an arrest warrant for him in September 2018.
Dion was arrested in California earlier this month for another matter, and the Australian authorities requested his extradition.
NSW detectives traveled to San Diego this week after it was approved.
Mr. Phetmang's death devastated his friends.
"We all liked him very much," his former employer at Sauna 357, Ty Dovans, told AAP on Wednesday.
"Thai employees are devastated by the loss of Mario."
The US authorities are expected to hand over Dion to the Australian police for delivery on Friday.
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