Mr Lawrence was murdered in a racist attack by a group in south-east London in 1993.
The BBC reported that a secret Met Police report from 2000 concluded Ray Adams, a former Scotland Yard commander in the section responsible for the murder probe, was corrupt.
Among the allegations are that Mr Adams, below, was cleared by a police probe following false evidence given by a man linked to the family of one of Mr Lawrence’s killers.
Imran Khan KC, who represents the victim’s mother Baroness Doreen Lawrence, has written to Scotland Yard to ask when it knew about the information and what steps are being taken.
Mr Adams, 81, denies any wrongdoing.
The Met said it will write to the BBC to request access to its evidence to see if further action is needed.