Saliva on cigarette butts link police to killer
Eight years after he stabbed and killed a woman with a pocket nail file, Zulkarnain Kemat, 37, was done in by DNA. His saliva on cigarettes left at the crime scene yielded enough evidence to link him to the crime.
A match was made last year when police took DNA samples from him while he was serving time for a drug offence in Changi Prison.
He was sentenced to eight years' jail and six strokes of the cane yesterday, after admitting to culpable homicide by causing the death of Madam Jetkor Miang Singh, 51.
This is the first homicide to be cracked using the $4.2 million DNA database containing the genetic profiles of about 53,000 people, mostly accused persons and prisoners here.
What nailed Zulkarnain were the 10 cigarettes he and Madam Jetkor were smoking before he killed her.
In an attempt to get rid of evidence, he cleaned her bloodstains from his shoes, wiped fingerprints off the table and even threw away the ashtray they were using.
But he forgot about the cigarette butts he had dumped on some newspapers.
Singapore Crime Murder
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