Hello again. I am told to record something Sadono is talking with his lieutenants about, so im supposed to use my sticky camera. When i press CTRL and pick the sticky camera, then i cant equip it? It is beside my weapon in the interface but how can i choose that i will use that item?

You have to use the 'alternate' fire key to launch the sticky cam or any other attachments. If the left mouse button is 'primary' fire, then the right mouse button may be the 'alternate' one, check your manual on how to use it.