The clue is for wallet #8
Clue: Bleeding Ears
Followed by this hex code: 44 6d 69 74 72 69 20 68 65 72 65 2c 20 77 61 74 63 68 20 74 68 65 20 76 69 64 65 6f 20 61 67 61 69 6e 2c 20 61 6e 64 20 70 61 79 20 61 74 74 65 6e 74 69 6f 6e 20 74 6f 20 65 76 65 72 79 74 68 69 6e 67 20 79 6f 75 20 72 65 61 64 2e 20
Dmitri here, watch the video again, and pay attention to everything you read.
Bleeding Ears also has a red oval underlining it that the other e-mails didn't have.