Cases done by our Forensic Scientists
(in alphabetical order)
Chemical Analysis of Unknowns
- “Fake” pet remains
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- Evidence type: Unknown materials
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- Unknown substances in palm oil
- Evidence type: Palm oil, simulation experiments
- PP vs Koh Peng Kiat ( Counterfeit Contact Lenses)
- Evidence type: Counterfeit printing on packaging materials, buffer solutions, contact lenses
- Links: HSA Press Release, Mediacorp News, Today, Singapore High Court Judgement
- Corrosives substances on board MRT train
- Evidence type: Unknown liquids, stains on clothing
- Links: AsiaOne, Straits Times
- Maid charged over baby’s food
- Evidence type: Milk powder, detergent
- Links: Straits Times
- Duo attacked customer with pepper spray at Golden Landmark
- Evidence types: Bag, clothing of victims and suspects, swabs from scene
- Links: The New Paper
- Ethylene Glycol in Medical Devices and Related Product
- Evidence types: Hot/Cold packs, baby teethers
- Links: Asiaone, Conference abstract
Damage
- Causes of failure of a bungee cord
- Evidence types: Damage (damaged bungee cord and newly bound cord as control sample)
- Links: Conference abstract
- Damage to clothing and shoes caused by lightning strike
- Evidence types: Damage (victims’ cloths, socks and shoes)
- Links: Conference abstract
- Damage on flexible compressed air tubings in a pharmaceutical plant
- Causes of damage to leather products
- Evidence types: Damage (Leather belt and bullet pouch)
- Links: Conference abstract
Drugs and Toxicology
- Controlled Substances in Health Supplements
- Evidence type: Controlled substances
- Links: Straits Times
- Mixed Drug Intoxication
- Evidence type: Toxicology
- Links: Straits Times
Firearms
- PP v Tan Chor Jin (death of a male due to multiple gunshot wounds)
- Evidence type: Firearms (bullet and cartridge case comparison, distance of firing, GSR), bloodstain pattern analysis, scene analysis and reconstruction
- Links: Singapore High Court Judgement, Court of Appeal Judgements
- PP v Khor Kok Soon ( Shenton Rd shooting case)
- Evidence type: Firearms
- Links: Singapore High Court Judgement, Court of Appeal judgement
Fire and Explosion
- Benoi shipyard explosion
- Evidence type: Gas, ignitable liquid residues, scene visit
- Links: Asiaone
- Coroner’s Inquiry into LPG gas explosion at Teo Ann Huay Kuan
- Evidence type: Gas, damage, scene visit, ignitable liquid residues
- Superbowl Development Pte Ltd v. Powergas Ltd (underground gas explosion).
- Evidence type: Scene analysis, damage on elbow and spigot of underground PUB gas pipe
- Links: Conference abstract
- CNG bus explosion (NSFs escape death by 15 minutes).
- Evidence type: Bus, damage
- Links: Asiaone
Forensic Reconstruction/ Bloodstain Pattern Analysis
- PP v Wang Zhijian (three deaths at a flat in Yishun)
- Evidence type: Bloodstain patterns, footprint examination, damage analysis, scene reconstruction
- Links: Straits Times, Asiaone, Singapore High Court Judgement, Court of Appeal Judgement
- PP v Wang Wenfeng (robbery and killing of taxi driver Yuen Swee Hong)
- Evidence type: Bloodstain patterns, crime reconstruction
- Links: Asiaone, Singapore High Court Judgement: Singapore High Court Judegment 2011, 2014, Court of Appeal Judgement, Straits Times
- Coroner’s Inquiry into the death of David Hartanto Widjaja (fall from a height)
- Evidence type: Bloodstain patterns, damage, scene analysis and reconstruction
- Links: The Online Citizen (27 May 2009)
- PP v Daniel Vijay Katherasan, Christopher Samson Anpalagan & Nakamuthu Balakrishnan (death of a male related to a handphone heist cum murder)
- Evidence type: Shoeprint examination, Bloodstain patterns, scene reconstruction
- Links: The Straits Times, Singapore High Court Judgement, Court of Appeal Judgements
- PP v Guen Garlejo Aguilar (killing and dismembering of Jane Parangan La Puebla and disposal of body parts at Orchard and MacRitchie)
- Evidence type: Trace evidence (fibres, hairs, blood), knot construction, bloodstain patterns, scene analysis and reconstruction
- Links: Singapore High Court Judgement
Marks and Prints
- PP v Yubindra and others (Drug Trafficking Case involving 5 Nepalese and 3 South Koreans)
- Evidence type: Marks (masking tape), trace evidence (shoes, pen knives, shoe brush, and shoe polish)
- Links: Asiaone, Straits Times
- PP v Kamal Bin Kupli and others (Murder)
- Evidence type: Shoeprint, shoes
- Links: Singapore High Court Judgement, Malaysian Bar
- Counterfeit medicine bottles
- Evidence type: Medicine bottles, mould
- Links: Conference abstract
Questioned Document Examination
- Ram Niranjan v Navin Jatia and 3 Ors
- Evidence type: Signature
- Links: Singapore High Court Judgement
- Disputed land agreement
- Evidence type: Signature, paper
- Links: Straits Times
- ECICS Limited vs Capstone Construction Pte Ltd (Guarantee facility documents)
- Evidence type: Handwriting, Signature
- Links: Singapore High Court Judgement
- PP v Foo Chee Ring (Maid abuse)
- Evidence type: Handwriting
- Links: Court of Appeal Judgement, Straits Times
- PP v Yang Zhen Ming and others (Fake gold scam)
- Evidence type: Handwriting
- Links: Straits Times, News, Crimewatch
Simulations
- Coroner’s Inquiry into the death of A*Star American Researcher, Shane Todd
- Evidence type: Scene examination, trace evidence, damage analysis, simulation experiments, handwriting (whether it was physically possible for the deceased to hang himself and the behaviour of a polymeric strap when it was subject to weight.)
- Links: AGC opening statement, Coroner’s Inquiry,Straits Times
- PP v Barokah (domestic helper pushed her employer over the window – fall from a height)
- PP v Constance Chee (woman pushed a 4-year old girl over a parapet wall to her death)
- Evidence type: damage on metal panel of sheltered walkway, scientific simulations to determine throw distances from various storey
Trace Evidence
- PP v Took Leng How (death of 8-year old Huang Na)
- Evidence type: Trace evidence (fibres, fruits, urine, soil, tapes, plastic bags), blood, construction of knots and physical matching
- Links: Singapore High Court Judgement, Straits Times, Conference abstract
Traffic Accident Reconstruction
- Committee of Inquiry into The Little India Riot
- Evidence type: Traffic accident reconstruction, trace evidence, bloodstain pattern, damage analysis
- Links: Asiaone: 1, 2, 3, Straits Times
- PP v Teo Tiong Kiat (hit-and-run traffic accident)
- Evidence type: Traffic accident reconstruction
- Links: Asiaone, Straits Times, Singapore Medical Council
- Freak accident on AYE
- Evidence type: Traffic accident reconstruction
- Links: Straits Times
- Boy,2 dies after being hit by mum’s car
- Evidence type: Traffic accident reconstruction
- Links: Asiaone