An investigator involved in the case involving Noah Donohoe says it may never be possible to determine why he entered a storm drain. Multiple outlets report that the investigation is ongoing in terms of understanding what happened, but that key questions about the reason for the action may remain unanswered. The investigator’s comments indicate that, even with efforts to piece together the circumstances surrounding Noah Donohoe’s entry into the storm drain, there may be insufficient evidence to establish a definitive motive or explanation. The reporting reflects uncertainty about how the incident occurred and what factors led to it. The sources do not present a confirmed cause, but they emphasize the limits of the available information and the possibility that the investigation could conclude without a conclusive explanation for why Noah Donohoe went into the drain. Details about specific investigative steps are not included in the provided excerpts, but the central point across the coverage is that the reason may remain unknown.