Mohammed Shariful Islam Shehzad, arrested for attacking Saif Ali Khan at around 2:30am on Thursday, stayed near the actor's home for about six hours after stabbing, initial investigations revealed. He then stopped somewhere to change clothes and rest before boarding Churchgate-bound train at 8:36am from Bandra station. He got off at Dadar West at 8:45am and bought headphones at 9:00am.