InvestmentsTop Global NewsMarketsReal Estate Private detective acted ‘defensively’ in Credit Suisse case: memo By financialnews_rlv83x - September 24, 2019 0 198 Private detectives from security firm Investigo, hired to shadow a former Credit Suisse manager Iqbal Khan, took defensive action when Khan tried to photograph one of them with his mobile phone, an Investigo memo seen by Reuters said.