When the British Military Administration was replaced by a civil government, Singapore became a Crown Colony and the Prisons Department (now known as Singapore Prison Service) was instituted as a government agency. G. E. W. W. Bayly became the first Commissioner of Prisons after the Second World War. The photo shows the first logo of then Prisons Department. The insignia reflects Prisons Department as an agency in the Straits settlement under the purview of the Crown Colony.

W.L.P. Sochon took over as the second Commissioner of Prisons. He was supportive of the idea of a 'prison without bars' which relied on companies and the public doing their part to accept inmates into society. The photo shows Major W.L.P Sochon holding a press conference cum tour of the new experimental opium rehabilitation centre on St John's Island.

The first Drug Rehabilitation Centre (DRC) in Singapore was the Opium Treatment Centre (OTC) at St. John’s Island. It was subsequently repurposed and expanded to receive other drug abusers. The OTC consisted of 12 huts, of which six were used as accommodation for up to 40 inmates. The others were used for workshops as shown in the photo.

P. L. James served as the third Commissioner of Prisons up until the merger between Singapore and Malaysia in 1963. He was known to grant political detainees leave on Chinese New Year.

The Prisons Inquiry Commission was convened and chaired by Devan Nair who strongly recommended that the Prisons Department should shift its focus from custodial care to rehabilitation. The photo shows Devan Nair presenting the Report of the Prison Inquiry Commission to Yang Di-Pertuan Negara Yusof Ishak.

Pulau Senang Penal Settlement started as an experimental rehabilitative facility for inmates from Changi Prison. It was closed after a riot in 1962. The photo shows inmates arriving in Pulau Senang in the early 1960s.

The Bedok Reformative Training Centre (BRTC) was established as a centre for young male offenders, between 16 and 21 years old, to undergo reformative training. The photo shows the facility of BRTC.

Frankie Lee Siew Kwong served as the Acting Director of Prisons during Singapore's merger with Malaysia. As the former Administrative Officer of Changi Prison, he was well-acquainted with the operation and administration of the penal system.

In 1966, Queenstown Remand Prison (QRP) was built to house persons on remand and short-term offenders after Singapore became independent. In 2009, QRP ceased operations and inmates were transferred to Cluster B of the Changi Prison Complex. The photo shows the external view of QRP.

Yeow Koon Poh was the acting Director of Prisons for five years after Singapore became independent and sovereign state in August 1965. Prior to his appointment, he was a distinguished police inspector involved in a number of high-profile drug raids and theft cases.

Quek Shi Lei joined the then Prisons Department as a Welfare Officer and rose up the ranks to be the Director of Prisons. He was later appointed as the first Chief Executive Officer of the Singapore Corporation of Rehabilitative Enterprises (now known as Yellow Ribbon Singapore) in 1988.

The establishment of Singapore Corporation of Rehabilitative Enterprises (SCORE) sought to enhance the employability of offenders by providing vocational training courses in prisons and Drug Rehabilitation Centres (DRCs), thus preparing them for their eventual re-integration into the national workforce. The photo, which was taken at the entrance of Changi Prison, shows the SCORE van transporting supplies.

Chia Keng Prison was completed in 1976 as a medium-security prison. It was demolished in 1993 and the inmates were rehoused in the Tampines Prison in 1992.

With the increase in the number of drug addicts between 1970s to 1980s, Telok Paku DRC was built in 1976 and rehoused addicts from St John’s Island Opium Centre. In 1977, two more DRCs were completed, namely the Jalan Awan Centre and Selarang Park DRC. The photos show the external view of Jalan Awan Centre and Selarang Park DRC.

The Falkland Centre was built after the Intoxicating Substances Act came into effect in 1987 to curb the growing problem of glue-sniffing. The facility was set up to provide treatment and rehabilitation for glue sniffers/inhalant abusers. The photos show the external view of Falkland Centre and the opening ceremony of the facility.

Tee Tua Ba was seconded to the then Prisons Department as the Director of Prisons. He was formerly in-charge of the Marine Police and promoted to Deputy Commissioner of Police. He was instrumental in setting up the Prison Scheme of Service to boost staff morale and attract new recruits of high calibre to join the service.

Industrial and Services Co-operative Society Ltd (ISCOS) was set up by SCORE to cater specifically to the needs of discharged inmates by providing them with jobs and small business opportunities. The photos show the inmates undergoing training and working in the laundry workshop in prisons.

Prior to Poh Geok Ek’s appointment as the Director of Prisons, he was a Police Officer who served as the Director of the Central Narcotics Bureau. The Tanah Merah Prison and Changi Women’s Prison were completed under his guidance, and he introduced the use of technology in prisons.

Tanah Merah Prison and Changi Women’s Prison/Drug Rehabilitation Centre were purpose built maximum security facility constructed after an extensive study of the best prisons in the world. It was officially opened by Mr Wong Kan Seng, then Minister for Home Affairs. The photos show female inmates attending a programme and the external view of Tanah Merah Prison.

Revisions were made to the Singapore Prison Services’ (SPS) mission and vision to focus on the contributions of prisons to society, in addition to be a part of the criminal justice system. The photo shows SPS’ recruitment poster in the 2000s.

The Portsdown Prison was completed in 1997 and was intended for illegal immigrants and foreign inmates who committed immigration offences. It was later closed, and inmates were transferred to Admiralty West Prison which was completed in 2000.

After helming multiple Police Departments including the Criminal Investigation Department, Chua Chin Kiat was appointed as the Director of Prisons. He was instrumental in transforming the Singapore Prison Service (SPS) and coined the term ’Captains of Lives’ for SPS’ staff.

The term ’Captains of Lives’ was unveiled as part of SPS’ visioning exercise and transformation journey. The then Vision Statement stated that Prison Officers, who are Captains of Lives, would be instrumental in steering offenders to be responsible citizens with the help of their families and the community.

The Housing Unit Management System was introduced to ensure more inmate-centric management. Video conferencing technology was used at Queenstown Remand Prison for family members to communicate with inmates.

Singapore Prison Service officially launched its core values – Honour, Excellence, Agile, Respect and Teamwork (HEART).

The Kaki Bukit Centre (Prison School) was established to centralise all teaching resources and provide a conductive learning environment for inmate students. Its philosophy is ’School First, Prison Second’.

Officially launched remote link centres, which was linked to five institutions– Queenstown Remand Prison, Tampines Prison, Tanah Merah Prison, Changi Women’s Prison and Selarang Park DRC.

Singapore Prison Service received the Family Friendly Firm Award for its pro-family efforts and initiatives to provide a work-life harmony for its staff.

Attained ISO 9001/2000 for Rehabilitation Classification and Public Service Award for Organisational Excellence. The photo shows Mr Chua Chin Kiat, then Director of Prisons, receiving the Public Service Award for Organisational Excellence.

The Yellow Ribbon Project (YRP) was initiated to promote awareness, acceptance and an inclusive society for ex-offenders. The photo shows President S R Nathan gracing the event as the guest-of-honour at the launch of the YRP.

Cluster A at the redeveloped Changi Prison Complex officially opened on 16 August 2004 by Mr Wong Kan Seng, then Minister for Home Affairs. It included an integrated security system which enhanced operational efficiency, and allowed more time for prison officers to focus on the engagements and rehabilitation of inmates. The photo shows the opening ceremony for Cluster A.

Ng Joo Hee was appointed as the Director of Prisons after his stint as the Director of the Police Intelligence Department. He oversaw the expansion of Changi Prison Complex, especially with the operationalisation of Cluster B. He was also instrumental in the planning of the new Prison Headquarters.

Soh Wai Wah was a former Police Chief-of-Staff before being appointed as the Director of Prisons. He emphasised the importance of community corrections to facilitate inmates’ re-integration into society. During his tenure, the Director of Prisons was re-designated as the Commissioner of Prisons.

Learning from the building of Cluster A, Cluster B, the second cluster in the redeveloped Changi Prison Complex, officially opened on 20 January 2010 by Mr Wong Kan Seng, then Deputy Prime Minister and Minister for Home Affairs. The photo shows the opening ceremony of Cluster B.

Psychological & Correctional Rehabilitation Division (PCRD) was formed to develop evidence-informed approach to inmates’ rehabilitation.

Community Corrections Command (COMC) was formed in August 2014 to oversee the rehabilitation, re-integration and supervision of inmates and ex-offenders in the community. COMC comprises uniformed officers and civilian specialists, who continue the work started during incare, to inspire hope and change in the inmates and ex-offenders under their charge.

The Community Rehabilitation Centre was launched to help first-time young male drug abusers. It provide a drug intervention programme in a residential setting that minimises disruptions to their daily routines.

Desmond Chin, a career Prison Officer, was appointed as the Commissioner of Prisons. He played a critical role in driving the ’Prison Without Guards’, ’Prison Without Walls’ and ’Learning Prison’ initiatives. He also unveiled SPS’ revised core values ’Shared Values in Corrections (SVIC) – Synergy, Vigilance, Integrity and Care’.

’Prison Without Guards’ (PWG) and ’Prison Without Walls’ (PWW) initiatives were launched. Under the PWG concept, technology was leveraged to optimise resource deployment and enhance operational effectiveness in prisons. Its PWW strategy aimed to expand the scope of rehabilitation beyond the confines of SPS through community corrections.

The launch of the ’Learning Prison’ initiative reframed prisons as transformative places where inmates can acquire new skills and training, as well as self-reflect and chart meaningful plans towards better lives.

The Prison Headquarters at Upper Changi Road North shifted to the new facility situated next to the Changi Prison Complex, which enables better command and control as well as responding to contingencies. It was officially opened together with the Selarang Halfway House by Mr K Shanmugam, Minister for Home Affairs and Minister for Law on 11 January 2019.

Shie Yong Lee, a career Prison Officer, was appointed as the Commissioner of Prisons. She was previously the Deputy Commissioner (Policy & Transformation) of Prisons and was instrumental in implementing the Corrections 2025 Masterplan, which includes expanding community corrections to better reintegrate inmates into society.

The Selarang Park Complex was officially opened by Mr K Shanmugam, Minister for Home Affairs and Minister for Law on 22 April 2021. It incorporated technology, such as facial recognition and video analytics capabilities.