Conversation so far:
When did Black Dahlia move to California?
In late 1942.
Why did she move to California?
Phoebe received a letter of apology from her presumed-deceased husband, which revealed that he was in fact alive and had started a new life in California.
How did he fake his death?
CANNOTANSWER.

Question: What happened upon her arrival to CA?
Self-contained rewrite: What happened upon Phoebe's arrival to CA?