No Turning Back

Find the marked security router and hack it. Wait for the speech to finish then switch your camera view so you can hack the next security router. This will allow you to eavesdrop on the mayor and Lucky Quinn.

After that, switch to the camera inside the conference room and (turn to the left to find something intimate) turn to the right to find an audio log (Lucky Quinn 07) on the table and another security router. From there, hack the server on the security room to disable the security. You have to infiltrate the hotel afterward.

From the main door, there's another audio log on the counter in the lobby. (Malcolm Deodato 05) Once you get past / killed all the guards in the area, hack the elevator and use it to get to Lucky Quinn's office. Be ready since there's a guard inside the elevator as well.

After the scene, you have to fight your way through Quinn's guards. An enemy chopper will arrive. Activate Focus to kill the sniper and drive the chopper away. After killing all the guards, continue to the mission marker. You'll also find an audio log inside one of the smaller conference rooms there. (Lucky Quinn 08)

Head to the desk and hack the computer there. Open the shutter to find Quinn. Open your profiler and hack Quinn's pacemaker. After the scene, hack Quinn's pacemaker again to finish him off.

Next, download the video and escape the hotel immediately. Once you're outside and disable the chopper. You can kill the police marksman to force the helicopter to go back. This will give you a better chance of escaping since the police won't have an eye in the sky. You have to escape the police. You can go around the hotel and swim to the other side. As long as you didn't get detected, you won't have to lose the police via car chase.

The mission is still not over though. You have to head to Clara's location. Kill all the fixers afterward. Mission complete.