Chapter 617 Fire

　　After he got off work,Marlon left the hospital and went to a hardware store to buy a set of professional tools. 　　After that,he quietly sneaked back to the hospital. 　　After returning to the hospital for the second time,he quickly changed his clothes and put on electrician's clothes. 　　If he was going to the motor room,he needed to avoid surveillance. 　　At this point,he had already thought about it. 　　Pretending to be a worker who is repairing the monitor,the monitor was temporarily turned off. 　　Because he was familiar with everything in the hospital,he managed to fool the security guards and use the surveillance room without any effort. 　　Then,he lied that it would take ten minutes to repair and monitor the upgrade.The security guard believed it was true,without any doubts. 　　After the monitoring was turned off,Marlon found an excuse to dismiss the security guards and sneaked int