List of Singapore police officers killed in the line of duty
1990s

Date
Rank/no
Name
Age
Division/unit
Circumstance
1990-09-21
Cpl 8951
Tan Tiang Hwa
31
Traffic
Cpl 8951 was on enforcement patrol with the ROV Enforcement Unit when he rammed into the back of a lorry which was reversing after missing a junction along Jalan Ahmad Ibrahim.
1991-08-26
LCP 7290
Ong Chin Woo
23
CID
His unmarked police car with three officers lost control and collided into an SBS bus at the junction of Upper Changi Road and Bedok South Road.
1991-10-25
VC
Kannan S/O Pinnasamy
19
—
He was riding his bicycle to work when he collided with a van at the junction of Boon Lay Drive and Corporation Road on 23 October 1991.
1994-05-21
Cpl
Hoi Kim Heng
24
Central
While on a routine spot-check on a subject, Soh Loo Ban, along Nankin Street, Cpl Hoi and his partner, Cpl Tan Huang Yee gave chase when Soh stabbed Cpl Tan on his arm with a 10-cm knife after being stopped during a routine security check.
1994-11-30
SSSgt 800
Boo Tiang Huat
47
Tanglin
During a routine spot-check at Newton Road, SSSgt Boo requested Zainal Abidin Abdul Malik, 29, to open his car boot for Inspection, and upon doing so, Zainal withdrew an axe and struck SSSgt Boo in the head with it.
1996-02-16
Cpl 7531
Asri Bin Mohd Jalil
31
Bedok
The Fast Response Car he was in was responding to a case when it lost control, skidded, and crashed into a tree along Upper Changi Road East, resulting in his death.
1996-09-14
SSSgt 2415
Ng Beng Huat
—
—
Collapsed and died from a cardiac respiratory failure.
1997-02-18
Cpl 2176
Lim Kok Seng
24
Traffic
Cpl 2176 was travelling along Upper Changi Road when he collided with an on-coming garbage truck turning into Changi North Street 1.
1998-10-26
SSgt 9858
Mohamad Asri Bin Amin
35
Central
Killed in a hit-and-run accident while on his way to work at the junction of Tampines Avenue 1 and Tampines Avenue 10.
1999-10-09
SC/Cpl
Kwah Choon Khiat Johaan
23
Jurong
Succumbed to his injuries in hospital after meeting with a traffic accident on 4 October 1999. The fast response car he was in crashed into the central divider along Woodlands Road near junction with Jalan Bumbong while responding to a message.
1999-11-29
Sgt 98574
Ho Boon Chee
21
Jurong
Killed when his fast response car crashed along Choa Chu Kang Avenue 1 into a tree while responding to a message in the night of 28 November 1999.

Question: When was Boo Tiang Huat killed in the line of duty?
Answer: The police officer, Boo Tiang Huat was murdered in the line of duty on 30 November 1994.