Paige Jordan Kimble The Detective. ISTJ: Introvert Sensing Thinking Judging. Serious, quiet, with loner tendencies. Enjoys solitude and tends to sit back and observe. Private, rarely talks about their feelings. Can be insensitive to the hardships of others. A planner. Well-organized and hard-working. Works steadily towards identified goals. Focused, with well-developed powers of concentration. Will usually accomplish any task once they have set their mind to it. A perfectionist.