Post up any 419 emails you received. All persons/companies depicted in these emails are either fictitious or have had their identities copied/stolen by the scammers. Emails posted by staff are received unsolicited to their "catcher" accounts.
Yes you can and endeavor to contact the paying bank.
"Look for the lies." Being Blackmailed? Go here and do this first: https://blackmailscams.com/ The information you supply can help others from becoming Victims.