The 32-year old died in hospital seven days after being arrested and taken to Heavitree Road police station.
A hearing looking into the actions of staff was heard in private last month but the details will be revealed on Friday afternoon.
Earlier this year, Devon and Cornwall Police was fined more than 234-thousand pounds for health and safety breaches following the incident in October 2012.
Takings stolen from Plymouth taxi
Police believe this man could help the investigation
Specialist Devon school goes up in flames
Investigations underway
South West breast screening hit 10-year high
Over 2,000 early detections
Speeders and overtakers take greats risks
Long-running dispute to be set
Plymouth fly-tipper brought to justice
Council wins long court battle
