Cheating Spouse
Investigation Tool
Answer 10 questions about your partner's behavior. We'll assess the red flags, score your situation, and show you exactly what to do next — including the best background check tools investigators actually use.
of married Americans admit to infidelity
of suspicious partners turn out to be right
of divorces involve infidelity as a factor
What This Tool Does
Evaluates 10 key behavioral red flags identified by relationship investigators
Scores your situation from Low Concern to High Concern
Explains what each red flag means and why it matters
Recommends the right background check tools for your situation
Important: This tool is for informational purposes only. It does not constitute legal advice. Results are based on self-reported behavioral patterns and are not a definitive determination of infidelity. If you believe you are in an unsafe situation, contact the National Domestic Violence Hotline at 1-800-799-7233.
10 Warning Signs of a Cheating Spouse
Sudden phone secrecy
New passwords, taking the phone everywhere, deleting messages immediately.
Unexplained absences
Working late more often, vague explanations for where they've been.
Emotional withdrawal
Less affectionate, more irritable, picking fights over small things.
New appearance focus
Sudden interest in new clothes, cologne/perfume, or physical fitness.
Hidden finances
Unexplained cash withdrawals, unknown credit card charges.
Online secrecy
Clearing browser history, new apps, unfamiliar social media activity.
Mileage discrepancies
More miles on the car than their stated trips would explain.
New "friend" mentioned often
A specific person comes up repeatedly, and they get defensive when asked.
Defensive when questioned
Gets angry, turns questions around, or accuses you of being paranoid.
Your gut says something's wrong
Intuition is often the first signal — your subconscious notices changes before your conscious mind does.
What Can a Background Check Reveal?
Background check and people search services aggregate public records to build comprehensive profiles. When investigating a partner, these reports can surface: