A lawyer wants the High Court to compel the state to provide CCTV footage used to trace Chris Msando's last movements.
In a petition, Apollo Mboya wants the DCI and DPP to also produce footage in five other cases including the murder of
"The disappearance and killings of advocates and personalities can be only be attributed to the culture of impunity among a section of security agencies," he told the court.
Mboya said extrajudicial killings have become widespread and can only be addressed by making those responsible accountable.
Msando, an IEBC ICT manager, was reported missing last Friday and found dead the next day. He was murdered alongside Carol Ngumbu.
On Tuesday, police released on the night he was reported missing.
Msando left the IEBC Anniversary Towers headquarters last Friday at 8.50pm.
Later that night, he was seen with the second victim Maryanne Ngumbu a club on Koinange street.
"A waiter at Club 7 confirmed that Msando met with Ngumbu and another man at the club. The waiter further said the man left earlier, then Msando and Ngumbu left at about 1am [on Saturday]," Boinnet's statement reads.
Msando's vehicle KCB 262Q was spotted on Uhuru Highway-Haille Selasie roundabout at 2.24am, then captured on cameras a minute later at the Bunyala road roundabout.
"In both instances it has two occupants (a male and female) in the front seats on board," Boinnet said.