What is the fine-grained topic of the following text: Pedro Perez, known under many aliases, among which is the "Christmas Tree Burglar," faced with the telltale evidence of his finger prints on windows, tables, cash boxes, sills and other articles he had touched in committing burglaries over a period of more than a year, chose to plead guilty on two counts in Superior Judge Keetch's Court rather than to stand trial on seven counts. Only return the topic.
Pedro Perez's guilty plea in burglary cases