At the end of Sleepwalking. Caught is left a scrap of paper by an unseen figure who breaths heavily (ostensibly 1AmTheHelp3r). This Address leads to the road seen in Dead End.
"gone to that house, at least to see what that psychopath wanted. it would be better then waiting around here to go NO we are fine we are FINE. Everything is fine. 1472 Lansing Place."
This fits into the torn page on day 17 from The Runner's Journal