Initially, as the District Police Chief, he oversaw the jurisdictions of Kudat, Sandakan, Lahad Datu, Cheras, and Dang Wangi.

In 2010, Mohd Bakri, then the CID director, spearheaded the investigation and capture of suspects linked to the disappearance of local cosmetic millionaire Datuk Sosilawati Lawiya and her three aides: personal driver Kamaruddin Shamsudin, CIMB Bank Kampung Baru Branch financial consultant Noorhisham Mohammad, and lawyer Ahmad Kamil Abdul Karim.

The San-Diego Union Tribune quoting Associated Press in their article dated 15 September 2010 described the case as having "exploded into a full-scale media sensation.

"[3] A task force named Ops Jejak was instituted on September 6, 2010, with Dato' Hadi Ho bin Abdullah, the Deputy Director of the CID (Investigation/Operations), leading the charge.

On 23 May 2013, former lawyer N. Pathmanabhan, who was 47 year old at the time, and three other field workers – R. Matan,[7] 26, T. Thilaiyalagan, 25, and R. Kathavarayan, 37, – received the death sentence from the Shah Alam High Court.

On March 16, 2017, Chief Justice Arifin Zakaria, leading a panel of five judges, dismissed [8][9] the final appeal of Pathmanabhan, Thilaiyalagan, and Kathavarayan, upholding the conviction and death sentence.