A Toxic Love Story: Who Is Lilith?- Part 1

When Angela Diaz tells police she's being stalked, terrorized, and targeted through a series of increasingly disturbing messages, the evidence seems to point in one direction.

Michelle Hadley.

Ian Diaz's ex-girlfriend.

But as investigators build their case, one question keeps getting harder to answer: Who is Lilith?

In Part 1, we trace the bizarre campaign of emails, fake identities, and escalating threats that convinced police they had found the person responsible. Along the way, we ask a bigger question:

How much of an investigation is driven by evidence... and how...