Status for season 21
The series is NOT cancelled. However, it has not yet been renewed or cancelled for season 21
Season 20 premiered on January 7th 2021 (Season 19 premiered January 1, 2020).
The main challenge for a detective is ... the clock. When detectives do not find a lead in the first 48 hours, their chances of catching the criminal decrease by 50%. "First 48" features real homicide detectives solving true murder cases. Viewers can experience intense and gripping situations along the detectives, as they attempt to find murderers for grizzly and chilling murders.