Criminals gangs have infiltrated the country's security sector, greatly compromising efforts to fight crime a government-sanctioned study reveals.

More worrying, there are more than 300 such gangs in the eleven counties sampled. The gangs are linked to serious crimes like murder, contract killing, kidnaping, human trafficking, rape, defilement, extortion and robbery, among others.

According to the study by National Crime Research Centre (NCRC), there is a resurgence of criminal gangs in the country. 82.3 per cent of Kenyans feel unsafe due to the activities of the gangs.