"Mr Archer, at the count of three, shoot Dr Watson."
―CIA Operative [src]

Mr Archer is one of several American CIA-trained agents who invade Irene Adler's home.[1]

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.


  1. Moffat, Steven (writer) & McGuigan, Paul (director). (1 January, 2012). "A Scandal in Belgravia". Sherlock (2010). Series 2. Episode 1. BBC One.
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