BLTT12 – S1E12 – #101 The Alchemist
Red informs the team that "The Alchemist" (guest star Ryan O'Nan), a man who relies upon science to transform a person's DNA and their appearance into someone else's, has been contracted to protect a well-known mob informant and his wife. As the team goes undercover to catch him, Elizabeth finds herself on the hunt for an unlikely couple. Meanwhile Elizabeth and Tom find themselves at another bump in their relationship and Ressler debates whether or not he should give his ex-fiancee his blessing. Read More.