The phrase "a trial where a" is correct and usable in written English.
It can be used in contexts discussing legal proceedings, experiments, or tests where a specific condition or event is being examined.
Example: "The researchers conducted a trial where a new drug was tested on patients to evaluate its effectiveness."
Alternatives: "an experiment in which a" or "a test during which a".
In 2015, I covered a trial where a white public defender stood in front of a jury pool and said that her own black client had to be considered guilty until proven otherwise.
No evidence of carryover was found in a trial where a standard set of 25 attributes was assessed.
"During the Old Trafford Test we conducted a trial where a TV umpire accessed replays using a multi-channel monitor system with its own operator and recording device.
Sure enough, last week saw the beginning of a trial where a then-minor from the community is charged with brutally beating a 23-year-old mother of three to death an incident in which alcohol is believed to be a factor.
Then if you can actually get through the interrogation, you still need to deal with a trial where a defense lawyer will again try to cast doubt on your testimony with statements like a woman can't be raped more than once without secretly wanting it.
In a trial where a hybrid design was used, a p value pi was obtained for the ith subgroup.
This was not a role she enjoyed, especially in a trial where the prosecution was working with an untenable indictment.
At the same time, his supporters in Congress are trying to water down the case against Mr. Montesinos, which may be a prelude to a trial where Mr. Montesinos either is found not guilty or is given a suspended sentence.
Consider, for example, how things spin out of control when the narrative veers from the Crawford murder to focus on a trial where Clark is prosecuting a woman accused of blackmailing Clara Bow.
Mr. Awlaki, who is thought to be hiding among fellow tribesmen in Yemen's remote Shabwa Province, failed to appear Tuesday at a trial where he was accused of killing a foreigner.
In Cox's closing statements, he said that Jesus Christ commanded the death penalty for those who killed a child, a point he had made the month before, in a trial where he won a death verdict against another young black man.
