Videos: Zimmerman trial Day 13

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Zimmerman trial Day 13

Trayvon Martin's friend's testimony: Part 1

Trayvon Martin's friend's testimony: Part 2

Trayvon Martin's friend's testimony: Part 3

Trayvon Martin's friend's testimony: Part 4

Trayvon Martin's friend's testimony: Part 5

Trayvon Martin's friend's testimony: Part 6

Trayvon Martin's friend's testimony: Part 7

Trayvon Martin's friend's testimony: Part 8

Trayvon Martin's friend's testimony: Part 9

Trayvon Martin's friend's testimony: Part 10

Day 13 Testimony Continues: Part 11

Day 13 Testimony Continues: Part 12

Day 13 Testimony Continues: Part 13

Day 13 Testimony Continues: Part 14

Day 13 Testimony Continues: Part 15

Day 13 Testimony Continues: Part 16

Day 13 Testimony Continues: Part 17

Day 13 Testimony Continues: Part 18

Day 13: Defense Attorney Mark O'Mara News Conference

Day 13: Trayvon Martin Family News Conference