| Archer |
|Behind the scenes|
|Appearances||"A Scandal in Belgravia"|
|Portrayed by||Peter Pedrero|
- "Mr Archer, at the count of three, shoot Dr Watson."
- ―CIA Operative [src]
He holds Dr John Watson at gunpoint before being killed by a booby trap in Irene's safe, which protects her camera phone. Sherlock Holmes shouts "Vatican Cameos" to warn John – who would otherwise have been in the direct path of the bullet – of the danger.