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Man pleads guilty to repeatedly harassing ex-lover, threatening to injure her teen son and drug offences

SINGAPORE — Unable to accept their breakup, a man harassed and stalked his ex-lover and her 13-year-old son, and even threatened to injure the teenager. 

Yap Kian Sing's ex-lover made a police report in 2020 about being harassed and stalked by him.
Yap Kian Sing's ex-lover made a police report in 2020 about being harassed and stalked by him.
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  • A man harassed and stalked his ex-lover and her 13-year-old son, and even threatened to injure him
  • Yap Kian Sing, 49, pleaded guilty to five charges of stalking, harassment and drug-related offences
  • District Judge Marvin Bay is set to sentence Yap on May 22

SINGAPORE — Unable to accept their breakup, a man harassed and stalked his ex-lover and her 13-year-old son, and even threatened to injure the teenager. 

Yap Kian Sing, 49, pleaded guilty on Thursday (April 20) to five charges of stalking, harassment and drug-related offences, including one of trafficking.

Nine similar charges will be taken into consideration during sentencing, which is scheduled for May 22. 

Yap's ex-lover, identified only as “Madam N” in court documents, made a police report on Sept 10 in 2020 about the harassment, including being stalked while she worked as a delivery driver, being threatened via text messages on the phone and having her contact number posted on websites for sexual services.

Yap also posted her personal details on social networking sites, and created social media accounts to befriend her son, her son’s friend and his teacher. 

WHAT HAPPENED

The couple broke up around June or July 2020. After that, the victim moved out of Yap’s residence.

However, he was unable to accept the breakup and started sending her threatening messages and stalking her.

When she blocked him from contacting her, he created new social media accounts to correspond with her son instead so that the messages would still reach her. 

He also posted on his Instagram and Facebook accounts her personal details, such as her previous convictions, social media handles, images of the front and back of her national identity card, as well as her phone number.

Yap would also use his friends’ phone numbers to contact the victim after she blocked him. 

Given the ongoing harassment, she kept her residential address from him to avoid being targeted at her home. 

After a series of threatening messages, on March 22, 2021, Yap sent her a WhatsApp text message threatening to go to her son’s school, implying that he would “throw” the boy off a building. 

This alarmed her because she believed that Yap was capable of carrying out the threat due to his drug addiction.

STALKING AND HARASSMENT 

In August and September 2020, Yap stalked and harassed the victim on five different occasions.

On Aug 21, 2020, he followed her while she was on duty delivering items.

Yap then approached her, disrupted her from carrying out her work by opening and closing her lorry doors, and also threatened that he would take unspecified action if she refused to return to his residence. 

On another occasion, he sent her an email containing a photograph of two knives, asking which one she preferred, with the intention to scare her.

He also created a Facebook account and uploaded her identity card details as well as information on her previous involvement with the police.

To befriend her son, he created an Instagram account and sent him threatening and insulting messages, including profanities and insults aimed at the victim.

ARRESTED FOR DRUG-RELATED OFFENCES

On Aug 18, 2021, Yap was arrested by officers from the Central Narcotics Bureau (CNB) in a raid at a Hotel 81 room.

Officers searched the room and found 12 packets of drugs, including methamphetamine and a crystalline substance, in tamper-proof bags.

He had collected these packets from a man known to him as “Ban”.

Though he had not asked what he was picking up, he knew from prior experience that they contained illegal drugs and would include methamphetamine, court documents stated.

He was instructed by Ban to either drop off these packets at a pre-arranged location or someone would collect them from him.

He was also told that he could sell eight of the drug packets for S$60 to S$100 each. 

Yap then took the drugs to his friend’s Hotel 81 room, where he was arrested.

He underwent a urine test at CNB's headquarters, which came out positive for methamphetamine.

Deputy Public Prosecutor Yvonne Poon said that this was not Yap’s first brush with the law, noting that he had past cases that involved drugs, unlicensed moneylending and theft offences. 

Yap was represented by lawyer Wee Hong Shern.

For stalking, Yap can be jailed up to 12 months or fined up to S$5,000, or both.

The offence of criminal intimidation carries a penalty of up to two years' jail or a fine, or both.

Anyone found guilty of consuming illegal drugs can be jailed for three to 10 years or fined S$20,000, or both. For trafficking a controlled drug, the penalty is 20 to 30 years' jail and 15 strokes of the cane. 

Related topics

stalking harassment CNB drug

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