August 28, 2012 > Blue painter's tape used by burglars Blue painter's tape used by burglars Submitted By Newark PD Blue painter's tape affixed to doors may be used as a means of surveillance. A unique surveillance technique is being used by burglars in San Francisco. Police there are warning residents of one neighborhood to be on the lookout for blue painter's tape that thieves are using as a means of surveillance. It is believed burglars place the tape on doorways and that a broken tape will indicate to a potential thief that someone is home. But tape that remains untouched for days could be a sign that the resident is away on vacation. There are no known incidents of this type occurring in Newark, but be vigilant as this crime trend may spread throughout the Bay Area.