Mission 7 The Hornet's Nest
At the beginning of the mission, head up the hill and to the right. There is an enemy up the stairs who you can shoot in the foot and then throw a grenade at his head while he is on the ground. reload the checkpoint as needed.
Here is a video guide with English commentary!
Here is a playlist of guides for this game!https://www.youtube.com/playlist?list=PL-HeW6XkKdUK97oYVSMU7...