Original sentence: People also criticized the UCPD and the OPD because the officer who shot Denovo had been the subject of previous citizen complaints alleging excessive force.The activist's killing triggered further protests since some saw the police entry as contrary to customary police procedure
Edited sentence: People also criticized the UCPD and the OPD because the officer who shot Denovo had been the subject of extensive previous citizen complaints alleging excessive force.The activist's killing triggered further protests since many saw the police entry as contrary to customary police procedure