s ▁cell ▁phone ▁during ▁the ▁arrest ▁was ▁illegal , ▁and ▁that ▁it ▁was ▁protected ▁by ▁the ▁ 4 th ▁Am end ment . ▁ ▁Coun ters ur ve ill ance , ▁inverse ▁surve ill ance , ▁sous ve ill ance ▁Coun ters ur ve ill ance ▁is ▁the ▁practice ▁of ▁avoid ing ▁surve ill ance ▁or ▁making ▁surve ill ance ▁difficult . ▁Develop ments ▁in ▁the ▁late ▁tw enti eth ▁century ▁have ▁caused ▁counter ▁surve ill ance ▁to ▁dram atically ▁grow ▁in ▁both ▁scope ▁and ▁complexity , ▁such ▁as ▁the ▁Internet , ▁increasing ▁pre val ence ▁of ▁electronic ▁security ▁systems , ▁high - alt itude ▁( and ▁possibly ▁armed ) ▁U AV s , ▁and ▁large ▁corpor ate ▁and ▁government ▁computer ▁databases . ▁ ▁In verse ▁surve ill ance ▁is ▁the ▁practice ▁of ▁the ▁revers al ▁of ▁surve ill ance ▁on ▁other ▁individuals ▁or ▁groups ▁( e . g ., ▁citizens ▁photograph ing ▁police ). ▁Well - known ▁examples ▁are ▁George ▁H oll iday ' s ▁recording ▁of ▁the ▁Rod ney ▁King ▁be ating ▁and ▁the ▁organization ▁Cop watch , ▁which ▁attempts ▁to ▁monitor ▁police ▁officers ▁to ▁prevent ▁police ▁brut ality . ▁ ▁C ounter - sur ve ill ance ▁can ▁be ▁also ▁used ▁in ▁applications ▁to ▁prevent ▁corpor ate ▁sp ying , ▁or ▁to ▁track ▁other ▁crim inals ▁by ▁certain ▁criminal ▁entities . ▁It ▁can ▁also ▁be ▁used ▁to ▁d eter ▁st alk ing ▁methods ▁used ▁by ▁various ▁entities ▁and ▁organizations . ▁ ▁S ous ve ill ance ▁is ▁inverse ▁surve ill