I have a habit of sticking my crosshair too close to the angle. Not dead on but definitely too close. But deathmatch doesn't feel that great for figuring out how far from the angle I should hold. Is there a better exercise?

Was using stat track for Val the other day and took a look at the maps section. The maps themselves are easy to understand since they only show up once per map and have a win%, but why are agents present in maps? For example, Omen shows up...