S ▁provided ▁financial , ▁social ▁and ▁log ist ical ▁support ▁to ▁a ▁number ▁of ▁athlet es ▁taking ▁part ▁in ▁London ▁ 2 0 1 2 , ▁including ▁Colomb ian ▁cycl ist ▁and ▁ 2 0 1 2 ▁and ▁ 2 0 1 6 ▁Olympic ▁gold ▁med all ist ▁Mar iana ▁P aj on , ▁Ken yan ▁long - distance ▁runner ▁Paul ine ▁Kor ik wi ang , ▁and ▁Est onia ' s ▁former ▁disc us ▁thro wer ▁and ▁shot - put ter , ▁now - Ind ian apolis ▁Col ts ▁def ensive ▁end ▁Marg us ▁H unt . ▁ ▁Cont ro vers ies ▁ ▁Cont ro vers ies ▁involving ▁the ▁company ▁have ▁included ▁use ▁of ▁imm igr ant - d eta ine e ▁labour ▁in ▁pr isons , ▁extreme ▁mis con duct ▁in ▁child ▁cust od ial ▁institutions ▁in ▁the ▁UK ▁and ▁the ▁US , ▁alleg ations ▁of ▁police ▁tele phone ▁data ▁manip ulation , ▁its ▁trouble d ▁nine - year ▁employ ment ▁of ▁Or lando , ▁Florida ▁terror ist ▁O mar ▁Mate en , ▁and ▁the ▁ 2 0 1 6 ▁ri ot ▁at ▁B irmingham ▁Pr ison ▁in ▁B irmingham , ▁England . ▁ ▁See ▁also ▁▁ ▁Sec ur itas ▁AB ▁ ▁Ser co ▁ ▁References ▁ ▁External ▁links ▁▁▁▁ ▁Company ▁Profile ▁on ▁Y ahoo ▁Fin ance ▁▁▁ ▁Category : Bus iness ▁services ▁companies ▁established ▁in ▁ 1 9 0 1 ▁Category : Comp an ies ▁listed ▁on ▁the ▁London ▁Stock ▁Exchange ▁Category : Comp an ies ▁listed ▁on ▁the ▁O