Jacob Juma’s murder probe has so far seen six people lose their lives under mysterious circumstances.
Those believed to have lost their lives over the investigations include the boyfriend of Cyrus Jirongo’s daughter Cameron Chase Huntler.
Huntler was shot dead by motorbike riders at close range, with his girlfriend receiving a threatening message believed to have been meant for her father only a few days later.
According to Standard, four other men were shot dead on Uhuru Highway on suspicion that they had links to the murder of Juma.
Jacob Juma was shot dead in May while driving to his home in Karen.
Police are yet to prove who killed him.