Photos: Dexter's most significant kills

Dexter Morgan has killed a lot of people during the eight-season run of Showtime's "Dexter," which concludes Sunday night. Some of the slayings rose above the level of your run-of-the-mill "bad guy." Take a look at some of the most significant kills this TV serial killer made along the way. Warning: This gallery contains spoilers!

Dexter Morgan has killed a lot of people during the eight-season run of Showtime's "Dexter," which concludes Sunday night. Some of the slayings rose above the level of your run-of-the-mill "bad guy." Take a look at some of the most significant kills this TV serial killer made along the way. Warning: This gallery contains spoilers!