Version: "Arma Tactics" 1.2364
My device: Nexus 7 (2012) Android: 4.2.2
Mission: Connection Lost (Operation Tempest)
Description: An enemy soldier was inside a building. As soon as one of my soldier entered the same building he lost the contact to the enemy.
Pictures
Notice: the graphic bugs (black blocks on characters) only appear on the screenshots
Ian (outside the building) spots the enemy. He is selected. Marco (inside the building) is behind the enemy:
http://oi42.tinypic.com/21343uu.jpg (302 kB)
Marco is now selected. He is not in line of sight:
http://oi43.tinypic.com/20fdq9i.jpg (251 kB)
After moving Ian away and ending the turn, the enemy disappear:
http://oi40.tinypic.com/ie3u41.jpg (264 kB)
My settings: