Two decomposing bodies were on Monday evening found dumped in a bush along Kimbo-Rwera Road in Juja constituency.
Guards manning a nearby coffee processing firm discovered the naked male bodies and then informed the police.
According to a police report, the men are suspected to have been killed elsewhere and dumped in the area .
The two appeared to have been tortured before being doused in acid to conceal their identity.
Police are appealing to anyone missing any of their male relatives or friends to report at city mortuary where the bodies were taken for preservation.
The cause of their death will be ascertained during post-mortem.