▁due ▁to ▁the ▁low ▁number ▁of ▁tak ers . ▁ ▁There ▁is ▁some ▁doubt ▁about ▁whether ▁the ▁R I AA ▁can ▁offer ▁this ▁protection , ▁with ▁some ▁att or ne ys ▁claim ing ▁the ▁offer ▁of ▁am n esty ▁was ▁mis leading , ▁and ▁legal ▁documents ▁provided ▁by ▁the ▁R I AA ▁" prov ides ▁... ▁no ▁promise ▁not ▁to ▁sue ▁you ." ▁ ▁A ▁law suit ▁brought ▁in ▁California ▁state ▁court , ▁Par ke ▁v . ▁R I AA , ▁alleg ed ▁the ▁R I AA ▁had ▁committed ▁fra ud ul ent ▁business ▁practices ▁by ▁offering ▁the ▁program . ▁ ▁Collection ▁of ▁evidence ▁The ▁R I AA ▁and ▁MP AA ▁contract ed ▁Media S entry , ▁on ▁beh alf ▁of ▁pla int iff ▁labels ▁and ▁stud ios , ▁to ▁collect ▁information ▁about ▁IP ▁addresses ▁sharing ▁potentially ▁in fr ing ing ▁files ▁on ▁peer - to - pe er ▁networks . ▁ ▁Collect ed ▁information ▁included ▁lists ▁of ▁potentially ▁in fr ing ing ▁files ▁an ▁IP ▁address ▁reports ▁as ▁available ▁for ▁downloading , ▁files ▁actually ▁downloaded ▁by ▁Media S entry ▁from ▁an ▁IP ▁address , ▁and ▁dates ▁and ▁times ▁of ▁the ▁observations . ▁ ▁In ▁the ▁United ▁States , ▁Media S entry ▁is ▁not ▁lic ensed ▁as ▁a ▁private ▁investig ator ▁in ▁some ▁of ▁the ▁states ▁in ▁which ▁observed ▁files ▁are ▁phys ically ▁located . ▁ ▁Because ▁of ▁this , ▁beginning ▁in ▁February ▁ 2 0 0 8 , ▁some ▁defend ants ▁have ▁challeng ed ▁the ▁leg ality ▁of ▁Media S entry '