Nakuru Town East Member of Parliament David Gikaria was on Tuesday grilled over his suspected links with the confirm criminal gang.
Rift Valley DCI boss Mwenda Meme confirmed the grilling of the legislator.
The MP is being linked to Confirm group, a criminal gang associated with violent robberies and murders in the new city.
Five women have been mysteriously murdered in the past two weeks in Mawanga estate within the city.
Gikaria is being accused of bailing out members of the criminal gang whenever they are arrested.
A special team of detectives was sent from Nairobi on Monday to hunt down the confirm criminal gangs linked to the rising crime wave in the county.
Interior CS Fred Matiangi said the government will not give the gang room to torture innocent residents through their acts
A security meeting was held over the weekend with residents calling on security apparatus to be more vigilant and proactive in dealing with the gang
The gang has been targeting and breaking in homes during the day.
Two members of the gang were on Sunday killed by an angry mob.
They were accosted while trying to rob a woman at a busy bus stage in Nakuru town