Activist Boniface Mwangi has condemned Kenyan police brutality against active Kenyan citizens.

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In a tweet on Saturday, Mwangi said that police tend to use their brutal force on people who challenge their criminality.

This is after activist Mildred Atty, exposed a police officer on Friday after he 'forcefully' entered her car.

"Kenya Police behave like criminals when going after active citizens. Anyone who dares challenge their criminality is targeted with brutal force, batons, teargas and bullets. They have teargassed Mildred Atty's house, shot her dog dead, insulted, assaulted and then arrested her," Mwangi said.

According to him, the level of violence meted to Atty is aimed at stopping other citizens from exposing rogue officers.

"The level of violence meted to Mildred Atty was because she dared challenge a corrupt police officer. They want to use her as a lesson to deter citizens from calling out and recording corruption. It's the same level of violence they used on Miguna for swearing Raila as president," he stated.