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Brown's attorney, Indicate Geragos, is lashing out at prosecutors ... saying the movement to revoke Chris' probation is "shameful and a shame."

Geragos informed the Associated Media he considers the movement is defamatory -- including, "In substance, it calling everyone a liar in the Richmond Cops Division and the Va Probation Division."

 Geragos says he will search for penalties from the Region Lawyer's Workplace for processing a "frivolous, scurrilous and seriously defamatory movement."

Norwood connected records displaying that Brownish frequently proved helpful at Tappahannock Kid's Center -- a place where Brown's mom was once a home -- and did odd tasks such as artwork, cleaning microsoft windows, wax surfaces, reducing lawn and choosing up junk.

According to legal records acquired by TMZ ... the Richmond P.D. confesses they only monitored Brownish on 9 or 10 events and on all other schedules he was not monitored by anyone.

Bryan T. Norwood, the Primary of Cops in Richmond, VA., had written a correspondence to the assess on Sept 14, declaring Brownish efficiently finished 202 days of group service -- he was only required to execute 180.