[2] On 18 August 2015, Abdul Hamid was removed from his post as deputy director (I) of the SB and transferred to the Prime Minister's Department having served in the PDRM for 37 years.

He was also widely expected to take over as Malaysia's top cop with current Inspector-General of Police (IGP) Mohamad Fuzi Harun due to retire in May 2019.

[16] Following events of the 2019 Sri Lanka Easter bombings, Abdul Hamid directed the PDRM to step up security levels at worship and diplomatic compounds around the nation.

[17][18] Shortly after, the acting DIG informed the press that the PDRM arrested a controversial preacher linked to Zakir Naik for allegedly insulting Hinduism after receiving nearly 800 reports made against the former.

[23] Minister of Home Affairs, Muhyiddin Yassin, announced on 2 May 2019 that Abdul Hamid will indeed succeed Mohamad Fuzi as IGP for an initial two-year term beginning 4 May 2019.

[26][2] On 6 May 2019, Abdul Hamid confirmed that former Goldman Sachs banker Roger Ng had been extradited to the United States to face charges there in relation to the 1MDB scandal.

[27] Following a meeting with the National Governance, Integrity and Anti-Corruption Centre (GIACC), Abdul Hamid announced that the PDRM has agreed to the long-awaited introduction of the Independent Police Complaints and Misconduct Commission (IPCMC).