Three more suspects have been charged over the attack on city businessman Timothy Muriuki last month at Hotel Boulevard.
The three are Michael Banya, Bernard Onganyo Otieno and Benjamin Peter Mulinge.
In total, seven suspects have been charged over the attack.
They have been charged with violently robbing Timothy Muriuki of sh100, 000. The cases will now be consolidated
Chief magistrate Francis Andayi on Wednesday released the three suspects on a cash bail of sh200 000 each. Mention will be on May 23 and hearing on July 17.
If found guilty, the suspects may be sentenced to death or be committed to life imprisonment since the charge against them is a capital offence.
The three are being defended by lawyer Dunstan Omari.