The investigation was conducted - Season 6
Episode List
E1 - Episode 1
Aired: January 22, 2011
E2 - Episode 2
Aired: February 04, 2011
E3 - Episode 3
Aired: February 11, 2011
E4 - Episode 4
Aired: February 18, 2011
E5 - Episode 5
Aired: March 04, 2011
E6 - Episode 6
Aired: March 11, 2011
E7 - Episode 7
Aired: March 18, 2011
E8 - Episode 8
Aired: April 08, 2011
E9 - Episode 9
Aired: April 22, 2011
E10 - Episode 10
Aired: May 13, 2011
E11 - Episode 11
Aired: May 20, 2011
E12 - Episode 12
Aired: May 27, 2011
E13 - Episode 13
Aired: June 03, 2011
E14 - Episode 14
Aired: June 10, 2011
E15 - Episode 15
Aired: July 02, 2011
E16 - Episode 16
Aired: July 09, 2011
E17 - Episode 17
Aired: September 04, 2011
E18 - Episode 18
Aired: September 11, 2011
E19 - Episode 19
Aired: September 18, 2011
E20 - Episode 20
Aired: September 25, 2011
E21 - Episode 21
Aired: October 02, 2011
E22 - Episode 22
Aired: October 09, 2011
E23 - Episode 23
Aired: October 16, 2011
E24 - Episode 24
Aired: October 23, 2011
E25 - Episode 25
Aired: November 13, 2011
E26 - Episode 26
Aired: November 20, 2011
E27 - Episode 27
Aired: November 27, 2011
E28 - Episode 28
Aired: December 11, 2011
E29 - Episode 29
Aired: December 18, 2011
E30 - Episode 30
Aired: December 25, 2011