How to find the patient recordings for the achievement “the root of all evil”
#1 On the top floor of the apartment building.
#2 In the toilets in the first floor (the one where you get stuck and Rudy gets you out). In a toilet you need to flush.
#3 When in the underground maze in the… interesting studio/office (Janus *cough*)
#4 Towards the end of the game in Chiron building on a table.