Can't find Hubert. (Dying Light 2: Stay Human)

Climb up the pipe

Emilslon
So I don't even have a marker for which pipe

Is this the first or second time? You have to look twice for this ferret)

Denis G
Second, before work there was a marker on him, after he came he was gone

sapov
follow the tracks to the pipe, you will find it at the very top

Ilya Lyapin
So there is no marker where to go. That's the problem.

sapov
There, the traces in the house glow red, but while you are distracted by the zombies, they disappear.
This quest?

Stupidly the first link in Google
Look in the house, it is a search zone, you need to climb into the attic there.