The first day of O.J. Simpson’s criminal evidentiary hearing was marked by dramatic audio recordings and a collectibles broker who testified he set up the meeting that ultimately led to armed robbery charges against the former football star.

The second day of the hearing to decide if Simpson and two other men should stand trial on 12 criminal charges was set for Friday. Defense lawyers were expected to try to undercut the testimony of Tom Riccio, who captured the events on ...