Shillong, March 30 -- A former area commander of Meghalaya's insurgent group, Garo National Liberation Army (GNLA) Northern Zone, has been arrested for the 2012 murder of a school teacher.

Denybirth Momin, a science and mathematics teacher at Resubelpara Higher Secondary School, was brutally murdered outside his Resu Mepan Abri village home on July 19, 2012, by GNLA leader Laden Ch. Sangma alias Chenang.

A group of armed GNLA militants, led by Sangma, carried out the killing in front of Momin's wife and relatives, accusing him of being a police informer.

Police recovered four empty AK ammunition casings, two empty 9mm casings, and a GNLA letter claiming responsibility from the crime scene. A case was registered at Mendipathar Police St...