: Lady Heather, a recurring enigmatic figure from the team's past, becomes a prime suspect in the bombings.
: It is eventually revealed that Dalton Barron is the bomber, motivated by a personal grudge against Grissom for his role in "ruining" Lady Heather. CSI: Immortality
The finale centers on a catastrophic suicide bombing at the , which is owned by former CSI Catherine Willows. : Lady Heather, a recurring enigmatic figure from
The movie provides definitive (though sometimes debated) endings for the main cast members: : Lady Heather
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