Vote by Mail is Safe & Secure ?

Hennepin County courier fired after boxes of ballots left unattended for nearly 10 minutes in Edina
https://archive.vn/PTP6z

Voting by Mail Under Gaslight
https://rumble.com/v5jax49-voting-by-mail-under-gaslight.html

Vote by Mail is Safe & Secure ?
https://rumble.com/v5jcycc-vote-by-mail-is-safe-and-secure-.html