And it is not during killings that the high percentage of the inmates have strapped themselves. Fifty-one per cent of non-homicides, the report said, involved weapons, while 63 per cent of homicides involved weapons. The study said a total of 56 per cent of all crimes committed by inmates involved a weapon. The IDB estimates that eight out of every 100 civilians living in Jamaica has a firearm, the fourth highest in the Caribbean, yet it surpasses all other countries studied for presence of weapons in non-homicidal crimes. The study probed where inmates obtained their first firearm. Fifty-five per cent said it was provided by a family or friend. The reported revealed, too, that 36 per cent obtained their first gun between ages 14 and 17.