We can't let preconceptions distort our perception of the data. If you'd been able to detect something that came before, that would be acceptable confirmation that this isn't a collective hallucination.

[Cisco sounds so sure of himself, but if this Cisco doesn't exist, then it could be a subconscious expression of his own delusion.]

...We need more data.

[He's just not entirely sure what kind of data could help.]