I wouldn't consider fleeing from the crime to be a guarantee to evade capture. A skilled detective can follow a killer to the other end of the realm if they were truly intent on bringing them to justice.

[Also speaking from experience.

By this point, Temenos seems to have loosened up a fair bit. Loathe as he is to admit it, Lobelia got him in a conversation that he's actually enjoying.]

But what you say about being confined to this island is true. With detailed information on personal statistics and abilities, along with limited space to dispose of evidence... It would be all the easier to track them down.