It is worth slowing down on why a geneticist ends up in a Bond game at all. Theresa Lorca's research — an algae engineered to absorb CO₂ — is the sort of breakthrough that reads as a gift to the planet on paper and a lever of enormous power in the wrong hands. Whoever controls a scalable carbon-capture organism controls something governments, corporations and criminals would all pay, or kill, to own. That dual-use tension is classic Bond, and it is what turns Theresa Lorca from a background scientist into a person worth building a whole mission around.
For players mapping the 007 First Light cast, that framing also explains Lorca's strange position: she is neither a straightforward villain nor an MI6 ally, but an asset — a high-value individual whose work makes her a target. Reading Theresa Lorca as the prize at the centre of the Vietnam chapter, rather than as a henchman or a bystander, is the most useful way to understand her scenes. It is also why the game can place Lorca somewhere as innocuous as a resort spa and still make reaching her the point of an entire operation.
This is also what makes Theresa Lorca a name worth understanding before you reach her. Players who only see the cast-list version — 'Theresa Lorca, geneticist' — miss that she is one of the load-bearing pieces of the Vietnam chapter. Knowing in advance that Lorca is a target, why her algae research matters to the people hunting it, and that there is an optional approach challenge attached to her location turns what could be a forgettable spa encounter into one of the more deliberate set-pieces in this stretch of 007 First Light.