You Deserve to Know the Truth—Sacramento Infidelity Investigations

Infidelity Investigations—Sacramento's Trusted Private Investigator | Bonnington PI


At Bonnington PI, we understand how devastating it can feel to suspect your partner of infidelity. Whether it’s subtle changes in their routine, secretive phone behavior, or an emotional shift in your relationship, those unanswered questions can weigh heavily.

We’re here to provide clear, compassionate, and professional help.


Based in Sacramento, California, and serving clients across Roseville, Folsom, Elk Grove, and the San Francisco Bay Area, our licensed investigators deliver evidence that gives you peace of mind—or the proof you need to move forward.


Call now for a free, confidential consultation:  (916) 936-7773.

Clear Evidence. Discreet Investigations. Answers You Can Trust.

Infidelity investigations are about more than catching someone in the act—they’re about clarity. You need to know if your intuition is right, and if it is, you deserve documentation that can help you protect yourself emotionally, financially, and legally.


We use a mix of covert surveillance, GPS tracking (where legally permitted), and digital forensics to uncover the truth. From suspicious outings to hidden online interactions, our team gathers verifiable, time-stamped evidence so you can make fully informed decisions.

What We Investigate

We tailor every case to the client’s unique concerns and circumstances. Some of the most common patterns we investigate include

Suspicious Behavior

  • Sudden emotional distancing or unusual irritability
  • Unexpected schedule changes or frequent late nights
  • Gaps in location tracking or vague explanations about whereabouts

Secretive Phone or Online Activity

  • Locked or hidden phones
  • Deleted call logs or text messages
  • Social media usage that doesn’t align with the truth

Financial Irregularities

  • Unexplained receipts or secretive spending
  • Withdrawals from joint accounts
  • Hidden purchases or credit cards

Digital & Social Clues

  • Dating app profiles
  • Photos, tags, or check-ins suggesting infidelity
  • Suspicious DMs or social media messages

Common Warning Signs of Cheating

While each relationship is different, many of our infidelity clients report seeing one or more of the following red flags:



  • Frequently deletes texts or call logs
  • Becomes emotionally distant or less physically affectionate
  • Keeps phone permanently locked or hidden
  • Is hard to reach during “off hours”
  • Offers vague or inconsistent explanations
  • Begins paying more attention to grooming or appearance than usual

What You Can Expect From Our Investigation Process

Covert Surveillance

We discreetly observe your partner's public activity—capturing photos and videos to confirm or dispel your suspicions.

GPS Tracking (Where Legal)

When permitted, we use GPS technology to log movements and detect recurring travel patterns or unexplained destinations.

Digital Evidence Review

We analyze online footprints, social media activity, and, if applicable, access device-level data for proof of inappropriate communications.

Third-Party Background Checks

If your partner is involved with someone else, we can investigate that person’s background to help you understand the full picture.

Why Choose Bonnington PI

Statistically, the majority of infidelity investigations we conduct confirm that a partner is, in fact, engaging in deceptive behavior. While we welcome the rare chance to report that your partner’s behavior is innocent, those cases are few and far between.


We deliver:

Court-ready photo and video evidence

Professional, licensed surveillance

100% confidentiality and discretion

Local expertise across Sacramento, the Bay Area, and Northern California

You Are Not Alone—And You Are Not Powerless

We understand how emotionally overwhelming this process can be. That’s why we handle every case with compassion, discretion, and professionalism. Even if the investigation confirms your worst fears, having the truth allows you to protect yourself—personally, emotionally, and legally.



Your inquiry is completely confidential. If no infidelity is found, no one will ever know you contacted us.

Schedule Your Free, Confidential Consultation Today

There’s never a perfect time to investigate a partner. But there is a right way to do it—with integrity, discretion, and support.


Call Bonnington PI at (916) 936-7773 or Contact Us to schedule your free, no-obligation consultation.

We’ll listen, assess your situation, and help you decide the best next steps.