|First appearance||Faction Zero|
|Debut||August 28, 2009|
|Home||Costa Verde, CA|
In chapter 2 of Faction Zero, Rachel Mills goes to a police station in Costa Verde to see Lieutenant Lenks. He comments that he guesses that one terrorist in Costa Verde wasn't enough, and asks how he can help her. She wants all information about Mensen, and he agrees.
- It is likely he knows about evolved humans, as he passed on information to Rachel about a group of them.
- For other uses of lieutenant, see lieutenant (disambig).