The phrase "already be tainted" is not correct in standard written English.
It seems to be a mix of tenses that does not fit grammatically. An example of a correct usage could be: "The evidence may already be tainted by contamination."
Alternatives: "already contaminated" or "already affected."
Miles, the nephew, may already be tainted.
Mr. Meij, the analyst, speculated that the drug may already be tainted in the medical community because of earlier issues with the F.D.A.
With predictive policing, if a police department is already over-policing a neighborhood due to racism and biases, for example, the data they put into it will already be tainted.
However, the process has already been tainted by the suppression of competitors of President Abdel Fattah Abdel Fattah
The automaker, whose reputation has already been tainted by the recall of more than one million cars last year, estimated the latest recall costs at four billion yen ($32.45 million).
The team's qualification for the World Cup had already been tainted by Thierry Henry's undetected hand ball, which led to the winning goal in a playoff against Ireland in November.
The allegations have stuck to him, however, largely because he has already been tainted by so many other scandals.One of the president's close friends, Dante Tan, was awarded a gaming franchise by the government in 1998, in a deal that did not go out to tender.
Sheriff Fitzgerald said that the planning effort had already been tainted by secret meetings of small groups of directors, the withholding of financial information from some board members, conflicts of interest in the hiring of consultants and the exclusion of police and fire officials from the planning process.
Mr. Menem, who is once again a leading candidate for president, has already been tainted by political corruption scandals and spent six months under house arrest last year on charges that he had overseen an illegal arms smuggling operation while in office.
Since state Sen. Richard Polanco (D-Los Angeles) and Councilman Nick Pacheco have already been tainted by their own alleged scandals, Hahn's mayoral victory is unlikely to reverse their misfortune.
"We know that already there are severe due process violations so any trial that takes place, frankly, is going to be tainted," Sanei said.
