Secrecy of the investigation: Season 12 - 12 Episode s
12x1 - Episode 1
February 4, 2013
12x2 - Episode 2
February 4, 2013
12x3 - Episode 3
February 5, 2013
12x4 - Episode 4
February 5, 2013
12x5 - Episode 5
February 6, 2013
12x6 - Episode 6
February 6, 2013
12x7 - Episode 7
February 7, 2013
12x8 - Episode 8
February 7, 2013
12x9 - Episode 9
February 11, 2013
12x10 - Episode 10
February 11, 2013
12x11 - Episode 11
February 12, 2013
12x12 - Episode 12
February 12, 2013
Secrecy of the investigation: All seasons
S1: Season 1
16 Episode s
S2: Season 2
12 Episode s
S3: Season 3
12 Episode s
S4: Season 4
12 Episode s
S5: Season 5
12 Episode s
S6: Season 6
12 Episode s
S7: Season 7
12 Episode s
S8: Season 8
12 Episode s
S9: Season 9
24 Episode s
S10: Season 10
24 Episode s
S11: Season 11
12 Episode s
S12: Season 12
12 Episode s
S13: Season 13
20 Episode s
S14: Season 14
16 Episode s
S15: Season 15
16 Episode s
S16: Season 16
20 Episode s
S17: Season 17
24 Episode s
S18: Season 18
24 Episode s
S19: Season 19
24 Episode s
S20: Season 20
24 Episode s
S21: Season 21
24 Episode s
S22: Season 22
18 Episode s
S23: Season 23
16 Episode s