In a session lasting less than 30 seconds, Kiffin issued a brief yet positive opening statement about the No. 13 Trojans' second day of practice in preparation for Cal and then settled in to answer questions from reporters.
The first question related to his statement, in which Kiffin called the offense "really crisp in both the running game and the passing game." A reporter asked Kiffin if that was a "function" of a formerly injured player being back in practice on Wednesday.
"I don't know," Kiffin said, appearing displeased.
When another reporter began to ask a question on another topic, Kiffin interrupted him after several words, stepped off the padded box he was standing on and jogged away from the media scrum.
"I gotta go," he said.
He did not speak to the media any further.
In late August, USC announced a new policy requesting that media who attend practice "not report on strategy or injuries that are observed during the course of watching that practice or result from that practice."
Last week, a reporter was banned from practice for two weeks for reporting on an injury that occurred away from practice before being reinstated after two days.
Pedro Moura covers USC for ESPNLosAngeles.com.