After missing a court date in connection with the matter, the boy, who had no previous convictions, had been arrested and held for several hours in a police cell.
Therefore, for each arrested person, he carefully set up an index card with a personal description, aliases, previous convictions, modus operandi, and other information.
However, questions asked during cross-examination, which purpose is to impugn the credibility of a witness as to his previous convictions have been held not to be material.
However, this theory is questioned by certain research which found that people involved in the 1970s riots were less likely than nonparticipant peers to have previous convictions.
