MORE than 800 people have been murdered in Jamaica since January, according to Observer calculations, 12 of whom died between Friday and Sunday.

A 12-year-old girl from Greenwich Town was also shot but only sustained injuries.

In late May, the official murder counts were of more than 630 dead, with killings swinging weekly between 29 and 44 violent deaths – an average of 35.

In the last five weeks, therefore that tally would be about 175 – bringing the total estimated count to around 805 to 810, the majority of whom were shot.

Yesterday, the Constabulary Communication Network (CCN) said it would not provide a year-to-date tally, as it would amount to the same has giving out the weekly murder figures.

The constabulary force this month implemented a policy of not giving out crime statistics after an officer at the statistics unit had a heart attack.

Shootings dominated the weekend cases, including the mysterious death of a policeman, special sergeant Lynden Hayden, 49, who died at hospital Friday night.

Hayden was shot by another policeman on June 15, said an official CCN report during the attempted foiling of a robbery by a group of officers.

CCN said the unidentified officer’s gun went off, hitting Hayden. The special sergeant was treated and released from hospital, but later complained of pain in the leg, was taken to hospital Friday and pronounced dead there.

The police information arm said it had no explanation why the sergeant fell ill, saying the post mortem would answer those questions.

An unidentified man was also shot and killed by unknown assailants in the west Kingston community of Greenwich Town Friday night.

And, the police continue to investigate the deaths of two men found shot, one on the Mona campus of the University of the West Indies, and the other at Kew Lane, Kingston 13, identified as Kary Smith.

No identification has been made of the decomposing body found on the playing field at the Mona Campus of the University of the West Indies.

On Saturday, a 21-year-old man was shot dead after he reportedly stabbed another man in an altercation in Greenwich Farm.

Aston King allegedly used a sharp object to stab 54-year-old George Brown who was taken to hospital where he died while being treated. The police report that later in the night King was shot and killed at the intersection of Spanish Town and West Roads.

On Friday, gunmen shot and killed 24-year-old Kevin Peart of McIntyre Villa, Kingston 16, while he was walking home.

Meanwhile, four people were shot and killed and one injured in separate incidents in St Catherine Friday.

Yesterday, two others were found shot dead near a train line in Duncans Pen, Spanish Town. Residents happened upon the bodies of 21-year-old Patrick Daley and 20-year-old Steve Gordon, both of Twickenham Park in the parish, the police said.