BlueWillow.ai - the developer claims to have been a full time employee since 2021, but the company doesn't appear in marketing databases until March 2023, and the LinkedIn page has posts but nothing earlier than March.
On the phone with the candidate, his ID "was at his brother's house". He also joined the call with the name "Senior Dev" rather than a real name. I asked him why he used a pseudonym, and he mumbled something I couldn't understand.
I politely said thanks for your time, but it's not a good fit.