condemned achievements Help

[broonbear]

i tried everything but cant get 3 achievements chief investigator, melee mayhem, gold melee i have tried everything i did read on one page that there are some scratch marks on the floor on 1 chapter you need to investigate but i cant remember which 1 any one got any ideas cheers

[va1o]

check gamefaqs

[kevin444]

just use every weopen to get melee mayhem and don't use goes at all through the game to get gold melee master!

[broonbear]

gamefaqs wots the address for that? cheers