How many ways is there to establish probable cause?

Probable cause can be established in several ways, primarily through evidence and observations that lead a reasonable person to believe a crime has been committed or that evidence of a crime can be found. This can include eyewitness testimony, physical evidence, expert opinions, and circumstantial evidence. Additionally, an officer’s training and experience can play a role in assessing the totality of the circumstances surrounding a situation. Ultimately, the determination of probable cause is context-dependent and assessed on a case-by-case basis.