Mathavakannan Kalimuthu (English Wikipedia)

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asiaone.com

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"Youth on murder rap escapes gallows". The Straits Times. 5 May 1998.
"SON SAYS: I didn't want to fight". The New Paper. 12 May 1998.
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"SON SAYS: I didn't want to fight". The New Paper. 12 May 1998.
"MISTER PRESIDENT, please spare my son". The New Paper. 12 May 1998. Retrieved 15 February 2021.
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"580 Deaths 580 Deaths 580 Deaths 580 Deaths". The Straits Times. 30 May 1998. Retrieved 16 February 2021.
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"这11人在新加坡犯了滔天大罪也能有退路". 红蚂蚁 (in Chinese). 3 January 2019. Retrieved 15 February 2021.

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"Mathavakannan s/o Kalimuthu v Attorney-General [2012] SGHC 39" (PDF). 27 February 2012. Retrieved 14 February 2021 – via Singapore Law Watch.

"Nathan grants zero presidential pardon during his 2 terms". The Independent. 27 August 2016. Retrieved 15 February 2021.

"Man serving life sentence to be released". Today. 21 January 2012. Retrieved 14 February 2021 – via VR-Zone Forums.

"Abdul Nasir bin Amer Hamsah v Public Prosecutor". Webcite. Archived from the original on 2012-04-26. Retrieved 14 February 2021.