There was a suspicious looking man in the monitor, but he wasn't facing the camera.
There was a fishy looking guy standing in front of our monitor, but he had his head down.
ーThere was a suspicious looking man in the monitor, but he wasn't facing the camera.
「モニターに怪しい男が映っていて、カメラに顔を向けていなかった」
a suspicious looking man で「怪しい見た目の男」
to face the camera で「カメラに顔を向ける」
ーThere was a fishy looking guy standing in front of our monitor, but he had his head down.
「うちのモニターの前に怪し男が立ってたんだけど、うつむいていた」
a fishy looking guy で「怪しい見た目の男」
to have one's head down で「うつむく」
ご参考まで！
カナダ 
