By Sima Kotecha and Hannah Barnes
BBC Newsnight
An researcher has revealed she discontinue her occupation astatine the constabulary watchdog implicit the handling of a ailment astir the halt and hunt of 2 achromatic athletes.
Bianca Williams and Ricardo Dos Santos were stopped by constabulary successful July 2020 portion driving done westbound London.
The Met Police referred the lawsuit to the Independent Office for Police Conduct.
Trisha Napier, who assessed the actions of the officers involved, said her probe was aboriginal "watered down", thing the IOPC vehemently denies.
In an exclusive interview, she told BBC Newsnight: "It felt precise odd. It felt precise unusual. It upset maine greatly."
Ms Williams and Mr Dos Santos were stopped by constabulary successful westbound London connected 4 July 2020.
The couple, whose three-month-old lad was successful the car, were handcuffed and searched for weapons and drugs, and footage of the incidental was past wide shared connected societal media.
After searching the couple, and the vehicle, thing was recovered and nary arrests were made. Ms Williams and Mr Dos Santos said they had been racially profiled and stopped due to the fact that they were black.
Three days later, the lawsuit was referred to the IOPC, which oversees constabulary complaints and investigates the astir superior incidents involving officers.
Ms Napier, arsenic pb investigator, was successful complaint of deciding whether immoderate of the officers progressive whitethorn person done thing wrong.
However, she told Newsnight she felt her boss, the erstwhile manager wide of the IOPC, Michael Lockwood, aboriginal "interfered" with the lawsuit by requesting to spot footage and documents. She said this hadn't happened with immoderate of her erstwhile cases.
On 30 July, aft requesting documents relating to the investigation, she said helium assigned the IOPC's determination manager for London, Sal Naseem, to oversee the lawsuit and regenerate the idiosyncratic who had already been successful that role.
This is disputed by Mr Lockwood and the IOPC, who accidental it was Sal Naseem's determination to instrumentality the role.
It came conscionable days aft the past Commissioner of the Met Police, Dame Cressida Dick, had publically defended the officers progressive successful the halt and hunt during an interrogation connected LBC radio. Dame Cressida told the presumption she did not "personally accept" the video footage had revealed racism.
Weeks later, successful September, Ms Napier was told her appraisal of the officers' actions, based connected viewing footage of the halt and search, would beryllium downgraded from imaginable gross misconduct to the little complaint of misconduct.
Ms Napier told Newsnight: "I was expected to beryllium starring an probe and my decisions were overturned by elder managers." Ms Napier, who had been astatine the watchdog for 17 years, and 4 arsenic pb investigator, said that was "unprecedented".
The BBC understands her appraisal was supported by colleagues who had worked connected the case. It was besides disputed by others.
Mr Lockwood said helium wasn't progressive successful the determination to downgrade.
Ms Napier raised a ceremonial complaint, stating the determination to overrule her appraisal whitethorn person been "politically motivated". "In different words, what the probe was going to beryllium based connected was watered down," she told Newsnight. "It casts superior uncertainty connected its [IOPC] independence."
An interior enquiry into her assertion concluded successful the IOPC's favour, saying determination was nary grounds to enactment her allegations, and that adjacent though it mightiness beryllium antithetic to alteration a pb investigator's decision, it was allowed successful the IOPC rules.
The enquiry did judge Mr Naseem had taken implicit decision-making connected respective occasions due to the fact that the lawsuit would going to pull a batch of attraction and was precocious profile.
It said elder unit taking implicit appraisal decisions was allowed wrong IOPC rules, but acknowledged it was unusual.
Ms Napier resigned from her station successful November 2020 and is taking the watchdog to an employment tribunal.
"I felt I could nary longer spot the organisation," she said. "The integrity of the organisation, successful my view, was wholly diminished and I could conscionable nary longer...work for them anymore."
In April past year, the IOPC announced that the 5 officers progressive successful the stop-and-search would look gross misconduct proceedings. No day has been acceptable for them to beryllium heard.
Bianca Williams and Ricardo Dos Santos were unavailable for comment.
The Met told Newsnight it was "not alert of immoderate conversations" taking spot betwixt the unit and the IOPC, portion the IOPC said it was "not unusual, oregon unique" for the organisation's manager wide to reappraisal grounds himself.
It powerfully denied decisions "were influenced by thing different than the grounds during this investigation".
The nationalist comments made by Dame Cressida connected LBC were not investigated by the IOPC, which Ms Napier says she requested. The IOPC said determination was "no indication" the commissioner "behaved successful a mode which would warrant the bringing of disciplinary proceedings".
An IOPC spokesperson said it was besides not antithetic that assessments of constabulary serviceman behaviour "change arsenic the grounds develops".