Hello! I am a substitute teacher. Last time I worked in High School. The students were in process of testing (6weeks test), when one of them approached me and reported that two boys on the back are cheating - switching papers. What would be a good way of handling situation if there is no seating chart and one boy obviously gave me a wrong name (not on roster and not among tests turned in). He also looked like he is from Middle East and spoke with accent, but he claimed he is Martinez. The boy got defensive and said, "This is not a court for you to question validity of my name". I realize that the best way was to make an actual seating chart in the beginning of the class by asking students to sign their names. However, this time I did not do it. What would be the second best way to handle such situation of suspected cheating and wrong name provided? Thank you!