''Are you sure? I mean how- how they entered. '' I asked in curiosity.
''I was working on it and few minutes ago I checked the sewage system of the area. And that was there's a sewage that passes through right in bottom of the washroom.
Someone can used that to reach the bank's washroom.''
''You mean they went in the tunnel and opened the ceiling right above the washroom and reached the bank?''
"Yes - Yes maybe they had used one of those floor cutting machines they are very common.''
''Yeah it is possible but what after I mean how they enter the chamber.''
''You remember the two places where camera does not record.''
"Vividly - the washroom and the stairs.'' I said.
''Yes, stairs! they went from washroom to the stairs and climbed up.''
''But why would they go up?''
''I don't know
