• Frequent visitors at all hours
• Frequent late night activity
• Windows blacked out, curtains always drawn
• Unemployed with plenty of cash
• Unfriendly, secretive
• Suspicious of passers-by
• Paranoid, odd behavior or extensive security
• Chemical odors from house, garbage or out buildings
• Garbage has lots of boxes, bottles, or containers of cold capsules, batteries, HEET, starter fluid, drain cleaner, salt, coffee filters, light bulbs, aluminum foil, matches.
• Placing their garbage in a neighbor's collection area

Alone, any of these activities may not be an indicator. However, some or several together may indicate a problem.