Alex is the main protagonist in Lifeline: Crisis Line, an episode within the Lifeline Series. He lives in Austin, Texas.
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[SPOILER] If Alex asks for your name and you respond with Taylor, Alex mentions how he knew a to-be astronaut with that name.
[SPOILER] As part of Crisis Line, Mr. Esposito has the option to stumble upon a house supposedly under Regina Virdi. In her house, Arika Lanphear is labeled as murderer in capital letters on a picture with her.