Dexter Morgan is making some staffing changes.

Off the Map actress Aimee Garcia is joining the cast of Dexter as Jamie, the new nanny Dex hires to care for his son Harrison. Jamie also happens to be the kid sis of Dex’s colleague Batista — which, if you ask me, can only lead to trouble.

http://www.tvline.com/2011/05/dexter-eaimee-garcia-spoiler-alert/#more-216485