Casino Security Tunnel. In order for that option to appear you need to scope the security tunnel garage door during the casino scope out heist prep mission. Access point 5 there s a sewer tunnel right across the street from the casino.
The security tunnel underneath the racetrack at the rear of the casino is a tunnel. The roof there are two security doors on either side of the helipad. This access point can be found behind the casino roof terrace.
The sewer there s a storm drain across the street from the casino.
Security tunnel in the tunnel under the racetrack at the back of the casino take a picture of the garage door roof take a picture of the two keypad doors either side of the helipad sewer. In order for that option to appear you need to scope the security tunnel garage door during the casino scope out heist prep mission. Access point 5 there s a sewer tunnel right across the street from the casino. There is a small tunnel next to the casino under the racetrack.
