Special Investigation Nine - Season 4

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Gray Suspect

1 - Gray Suspect

Air Date: April 7, 2021

A young woman's stabbed body is found about 10 days after her death in a vacant store in a multi tenant building. The Tokusou team begin investigating, discovering her identity and the fact she promised to meet a man on the day of her death. Meanwhile, the suspect of a murder-robbery case is claiming he saw someone else do the crime.

Murder Designer

2 - Murder Designer

Air Date: April 14, 2021

Best Day

3 - Best Day

Air Date: April 21, 2021

Prayer

4 - Prayer

Air Date: April 28, 2021

Killing Blueprint

5 - Killing Blueprint

Air Date: May 5, 2021

Cursed Picture

6 - Cursed Picture

Air Date: May 12, 2021

Murder Puzzle

7 - Murder Puzzle

Air Date: May 19, 2021

Hedgehog in a Locked Room

8 - Hedgehog in a Locked Room

Air Date: May 26, 2021

Flying Suspect

9 - Flying Suspect

Air Date: June 2, 2021

Episode 10

10 - Episode 10

Air Date: June 9, 2021

Episode 11

11 - Episode 11

Air Date: June 16, 2021

Episode 12

12 - Episode 12

Air Date: June 23, 2021

Episode 13

13 - Episode 13

Air Date: June 30, 2021