Water

1x22 The Plan  Directed by Agnieszka Holland
 Written by Veena Cabreros Sud
 First Air Date : Sunday, 2 May 2004
 Flashback year : 1999 (5 years ago)
   

The 1999 drowning death of a military academy's swim coach, which was originally ruled as accidental, is reinvestigated after the homicide division receives a note that suggests it was murder. Back at the office, Valens searches for Elisa after she goes missing.

From the child, comes forth the soldier.

1. Ignore
2. Reward
3. Secret
4.Test
5. Escalate
6. Destroy

2x16 Revenge  Directed by David Von Ancken
 Written by Jay Beattie
 First Air Date : Sunday, 13 March 2005
 Flashback year : 1998 (7 years ago)
   

Lt. Stillman's priest informs him of a long ago confession where a man confessed being involved in the 1998 kidnapping of a 9-year old boy. The case is reopened with this new lead, and it turns out the truth is closer to home.

4x13 Blackout  Directed by Seith Mann
 Written by Tyler Bensinger
 First Air Date : Sunday, 14 January 2007
 Flashback year : 1996 (11 years ago)
   Based on real case : Florence Unger

The team re-opens the 1996 case of a wealthy woman who was afraid of the dark and died during a citywide electricity blackout.

My family was dysfunctional, not homicidal.

My mother likes to think the best of people, but my grandmother was a total bitch, plain and simple.