Spousal SurveillenceA cheating spouse or significant other will tend to exhibit some of the signs of infidelity listed below. If you are suspicious of a loved one, go through our signs of infidelity checklist. Does your mate shows any signs of unavailability at work, increased time away from home or unusual cell phone usage, or other signs of infidelity? If more than a few of the indicators below are present, the next step is to conduct surveillance to confirm your suspicions. At Tristar Investigation we deliver quality investigation backed-up by a 28-year track record. By contacting us, you will be able to obtain piece of mind.

30 Clues to spot a Cheating Spouse

At Home

  • Sudden increase in time away from home
  • Decreased sexual interest
  • Subject is often distracted and day dreaming
  • Subject is often unavailable at work
  • Subject attends more work functions alone
  • Cell phone calls are not returned in timely fashion
  • Subject leaves house or goes to other rooms to talk on the telephone
  • Subject uses computer alone and secretly
  • Subject asks about your schedule more often than usual
  • Mileage on car is high when only short distance errands are run
  • Clothes smell of perfume, massage oil residue and sex
  • Clothes contain makeup or lipstick smudges
  • Subject gets his laundry done independently
  • Viagra usage increases


  • Credit card bills contain unusual gifts, travel, restaurant and “unspecified” charges
  • Gas credit cards contain uncommon locations of gas stations
  • Unexplained payments on bank statements
  • Subject has more cash on hand without accountability
  • Cell phone bills contain calls with long duration
  • Home phone and calling card records contain calls with long duration
  • Business phone records contain unusual calls
  • Subject has unexplained receipts or personal effects in wallet


  • Subject has suspicious phone voice-mail messages
  • Subject has suspicious cell phone numbers stored or dialed
  • Subject has suspicious text messages
  • Subject deletes text messages immediately
  • Internet web browser history list (this is a record of web sites visited) contains unusual sites
  • Frequent visits to Internet free e-mail accounts
  • Uncommon e-mail messages
  • Uncommon deleted e-mail messages
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Bruce Robertson

Bruce Robertson is a private investigator and founder of Tristar Investigation, California’s premiere detective agency. Bruce is also a media commentator for the investigation industry, featured in the New York Times, CNN, History Channel, MSNBC, Los Angeles Times and many more. You can find him on Google+ LinkedIn and YouTube.
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