cement ▁ag encies ▁Social ▁media ▁have ▁been ▁used ▁to ▁assist ▁in ▁searches ▁for ▁missing ▁persons . ▁When ▁a ▁University ▁of ▁C inc inn ati ▁student ▁disappeared ▁in ▁ 2 0 1 4 , ▁his ▁friends ▁and ▁family ▁used ▁social ▁media ▁to ▁organ ize ▁and ▁fund ▁a ▁search ▁effort . ▁when ▁their ▁efforts ▁went ▁vir al ▁on ▁Facebook , ▁Twitter , ▁Go F und Me , ▁and ▁The ▁H uff ington ▁Post ▁during ▁the ▁week - long ▁search . ▁D ulle ' s ▁body ▁was ▁eventually ▁found ▁in ▁a ▁building ▁next ▁door ▁to ▁his ▁a partment . ▁Social ▁media ▁was ▁brought ▁up ▁as ▁a ▁strategy ▁to ▁try ▁to ▁help ▁bring ▁together ▁the ▁community ▁and ▁police ▁force . ▁It ▁is ▁a ▁way ▁for ▁the ▁police ▁force ▁to ▁show ▁their ▁progress ▁to ▁the ▁community ▁on ▁issues ▁they ▁are ▁dealing ▁with . ▁In ▁some ▁cases ▁law ▁enfor cement ▁has ▁used ▁social ▁media ▁to ▁show ▁account ability ▁for ▁officers ▁who ▁have ▁broken ▁the ▁law . ▁ ▁In ▁the ▁United ▁States ▁U . S . ▁Im m igration ▁and ▁Custom s ▁En for cement ▁ident ifies ▁and ▁track ▁individuals ▁via ▁social ▁media , ▁and ▁also ▁has ▁app reh ended ▁some ▁people ▁via ▁social ▁media ▁based ▁st ing ▁operations . ▁U . S . ▁Custom s ▁and ▁Border ▁Prote ction ▁( also ▁known ▁as ▁CP B ) ▁and ▁the ▁United ▁States ▁Department ▁of ▁Hom eland ▁Security ▁use ▁social ▁media ▁data ▁as ▁influen cing ▁factors ▁during ▁the ▁vis a ▁process , ▁and ▁continue ▁to ▁monitor ▁individuals ▁after ▁they ▁have ▁entered ▁the