Tasks for Thomas, in this chapter, are more complex. Apart from the entering one of the building in a different way, he will get a special task to eliminate enemies who are not reachable from the ground.
After reaching the first building with the enemies (before that moment no one will attack you), take your lasso and using it climb the balcony. Then, go towards the open door.
The second task for Thomas will start during the fight with enemies at the front of the biggest building in the chapter. In one moment, opponents will appear on the roof and you won't be able to hit them. In order to kill them, playing as Thomas, take the lasso and enter the second floor of the nearby building (left picture). Being inside shot them through the windows.
Duty for Ray once again is limited only to covering Thomas when he will be doing some more complicated actions.
The first use of Ray's special ability will be triggered when you will reach the first building with enemies.
In order to enter the building, brake down the door on the ground floor.
The second task for Ray will be covering Thomas at the front of the biggest building in this chapter. Do not make light of the matter of that duty because Thomas can very easily die.
Opponents will start appearing both through the windows and on the balcony (left and right side).