"knew prior" is correct and usable in written English.
You would typically use this phrase when you are talking about knowledge that was possessed before a particular event or time. For example, "The pilot knew prior to take off that the weather conditions were unfavorable."
Meanwhile, Newton develops a close relationship with Rachel (Gugu Mbatha-Raw), a former slave who has medical skills and whom he knew prior to the gathering of the troop.
Israel's leaders knew prior to authorizing the assassination on Wednesday of Ahmed Al-Jabari, the leader of the Islamic Resistance Movement's armed wing, that a military operation would not achieve its objectives.
Liu Xia cried, smiled and blew kisses to foreign diplomats and media – some of whom she knew prior to her isolation – outside the courthouse in Huairou, just outside Beijing.
Despite Caitlyn saying that she had always felt more like a woman, even when she was living as a man called Bruce, little was previously known about how much Kris Jenner knew prior to her transition.
"The issue with the Justice Department is at what level does a change rise to require federal review?" The Green campaign said in a statement that "both campaigns knew prior to the vote that the Board planned to combine election districts so as to reduce the number of voting machines needed in the field".
at the time of its acquisition was in, or at a later date has come into, the public domain, other than following a breach of this Clause 12; or 12.3.2. it knew prior to first disclosure to it by the other party; or 12.3.3. it received independently from a third party with the full right to disclose.
Saying that it is not known, "prior to the review's completion," how quickly this can be done seems backward.
In 70percentt of all family-related homicides, there was no known prior contact with the police, Ms. Jimenez said.
"He punches in a word and I find out what the heck he wants to know," Prior said.
As all physicians know, prior to last year surgery was the only option we could offer women to enlarge their breasts.
Of these gaps, only Encke was known prior to spacecraft exploration of Saturn.
