Most of the cases were reported at the Parklands Police Station in Westlands Sub-County and one at the Shauri Moyo Police Station in Kamukunji.
Yusuf was not under investigation for any offence or reported for any crime before his abduction around 8 pm.
Masengeli has approved the deployment of Assistant Inspector General of Police Juma Mashua as the head of the Unit.
The article published in the Saturday Nation on July 6 this year revealed that more than one individual was hired as a hitman in the planned Mboya assassination.
The system known as the Multi-Biometric Identification System (MBIS) aims to reduce processing time from 14 days to just one day.
During the operation, five tankers were discovered at the site, containing over 17,020 litres of diesel and 6,110 litres of petrol.
The Congolese citizen, who had arrived from Entebbe, Uganda, attempted to enter the country illegally.
Within less than five minutes, the suspects managed to snatch a bag containing Sh900,000 and another USD15,000.
It is the first time in the history of the country that the Directorate is training its officers for promotions.
In Kamukunji, the detectives arrested three suspects and confiscated 19 suspected stolen mobile phones in two shops.
The man was arrested at the Malindi Sub-County Hospital.
According to the DCI, criminals who appear as affluent customers use taxi services for lengthy distances or trips with many pickup sites, only to commit violent robberies on the way.
Several major foodstuff wholesalers in Eastleigh are crying foul over alleged harassment by a multi-agency team comprising the Directorate of Criminal Investigations (DCI), Kenya Dairy Board, and Kenya Revenue Authority (KRA).
"Police in Embakasi, Nairobi, confiscated contraband milk valued at Sh3 million on Thursday in an effort to enhance food safety.
The suspects, Malumasi Aisha and Agaba Anestus both of Ugandan descent were arrested alongside Sarah Njeri and her sister Mary Wangui in an operation conducted by detectives within the CBD.