McKinney Private Investigator – Armes International Investigative Services LLC
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McKinney Private Investigator – Armes International Investigative Services LLC
Discreet, Experienced Investigations for McKinney, Stonebridge Ranch & All Collin County
McKinney is one of the fastest-growing cities in Collin County, and with that growth comes an increasing demand for high-quality investigative services. Armes International provides families, individuals, attorneys, and businesses with the professional, discreet investigative support they need during challenging circumstances.
With more than 39 years of investigative experience, we provide court-ready evidence and unmatched confidentiality.

Why McKinney Clients Choose Armes International
McKinney’s culture, demographics, and economic landscape create investigative challenges that require a modern, highly skilled PI agency. The city’s demand is driven by:
- Collin County courtroom experience
- Licensed, veteran investigators
- Elite surveillance capabilities
- Accurate, detailed reporting
- Discreet communication and operations
Most Requested PI Services in McKinney
Child Custody & Family Law Investigations (McKinney’s #1 PI Demand)
We routinely assist with:
- Unfit parenting documentation
- Parent lifestyle investigations
- Cohabitation verification
- Safety concerns
- Court-order violations
- Substance-use suspicions
Our evidence is built for Collin County family courts.
Missing Persons & Locate Investigations
Common requests include:
- Estranged parents
- Adult children
- Biological relatives
- Debtors
- Runaways
- Individuals avoiding legal action
Our proprietary tools and investigative network allow rapid results.
Infidelity & Cheating Spouse Investigations
We conduct:
- Covert surveillance
- Digital behavior analysis
- Identification of unknown individuals
- Social-media intelligence
Background Checks & Due Diligence
Including:
- Dating background checks
- Tenant screening
- Criminal/civil history
- Digital footprint analysis
- Business partner verification
Elderly Welfare & Vulnerable Adult Investigations
We check for:
- Abuse
- Neglect
- Financial exploitation
- Manipulation
- Questionable caregivers