Earlier in the day, Prilepin's car was blown up on the highway in the Nizhny Novgorod Region, as a result of which the driver was killed and the politician was injured, a law enforcement source told Sputnik. Permyakov was detained by the regional police in hot pursuit.
"The suspect has been detained, during interrogation he is testifying that he was acting on the instructions of the Ukrainian special services," the committee said on Telegram.
The suspect admitted having planted an explosive device along the car's path and setting it off remotely, the committee's statement read.
Permyakov said in a video released by investigators that he had been recruited by the Ukrainian special services in 2018, and in 2022, he had arrived in Russia with the aim of killing Prilepin.
The Russian Investigative Committee added it had continued questioning Permyakov. Experts took swabs from his hands and clothes in order to conduct forensic examinations.