L.A. mail-in ballot signature verification is done by a machine that can be altered to let mismatched signatures pass, just like in the Arizona 2020 election, when election workers testified that they were told to ignore the flashing warnings on computers alerting that the signatures on ballots did NOT match.
The homeless in L.A. stated that they were using other people's names, and addresses, and filling out 3 to 5 fraudulent ballots a day, and ballot mules would come at least 3x a week to pay them to fill out ballots.
The signatures obviously didn't match because the homeless were using other people's information. Turning down the accuracy for signature verification is EXACTLY how they pass the fake signatures through the machines, if they really even check signatures on the fraudulent ballots at all.