The murder of Jenjira Ployangunsri was a sensational crime that took place in Thailand in 1998. Jenjira, a 23-year-old medical student, was killed on 26 January, and her body subsequently dismembered, by her boyfriend Serm Sakhonrat, also a medical student. The case received intense media coverage as the investigation proceeded over the following weeks until Serm was arrested and parts of Jenjira's body were identified. It saw the beginning of the use of DNA forensics in criminal investigation in Thailand and brought public attention to the work of forensic pathologist Porntip Rojanasunan. Murder Jenjira Ployangunsri, aged 23, was a fifth-year medical student at the Faculty of Medicine Ramathibodi Hospital in Bangkok in 1998. She had been in a relationship with Serm Sakhonrat, a second-year medical student at the BMA Medical College, who was one year her junior. The two had met a few years earlier at church (both were Catholic), when Serm was an engineering student (he had gained early university admission at the age of 15, and entered medical school after completing his engineering degree). Jenjira was last seen on 26 January 1998. She and Serm were at his apartment in the Phetchaburi Road area, where he shot her in the head with an illegally owned .38 revolver, killing her. He then dismembered her body using a kitchen knife, and disposed of the flesh and organs by flushing some down the toilet and disposing the rest directly in the apartment's septic tank. He placed the flayed skull, limbs and bones in bin bags, and drove to the Bang Pakong River in Chachoengsao Province, east of Bangkok, where he threw them into the water. The following day, he visited the house of a friend on Charansanitwong Road, in the western Thonburi side of Bangkok, where a witness later reported he spent some time car-washing. The next day, the 28th, he visited his family home in Chon Buri Province, where he burned Jenjira's clothing. He also took Jenjira's car and left it in the Muang Thong Thani neighbourhood in Nonthaburi Province. Investigation Jenjira's parents reported her disappearance to the police on 30 January, and also informed the police of her relationship with Serm, whom they knew. As the last person identified by Jenjira's classmates to have been seen with her, Serm was brought in for questioning. He initially denied knowing of her whereabouts, claiming that they had dinner together at the