Mooney & Boland · TX
Private Detective in Marshall, Texas
Lawful, discreet investigations in Marshall, Texas, arranged through Mooney & Boland's network of licensed independent private detectives.
About Marshall
Private detective services in Marshall.
Located in Harrison County, Marshall is about 33 miles west of Shreveport. It is an incorporated city with about 23,825 residents (ACS 2020-2024) on 29.8 square miles of land. It is part of the Longview, TX metropolitan statistical area.
On the edge of the metro area, Marshall has both commuter subdivisions and open country, and investigations are planned for both. About 25% of working residents are employed in education, health care and social assistance, the area's largest sector.
When you contact Mooney & Boland about a matter in Marshall, we listen first, explain what can lawfully be done in Texas, and set out scope and cost before any work begins.
Marshall at a glance
- Population
- 23,825 (ACS 2020-2024)
- Type of place
- An incorporated city
- County
- Harrison County
- Land area
- 29.8 sq mi · 801 people per sq mi
- Statistical area
- Longview, TX
- Major routes
- Interstate 20
- Median age
- 32.5
- Median household income
- $55,100
- Owner-occupied homes
- 60%
- Average commute
- 17 minutes
Sources: U.S. Census Bureau ACS 5-year estimates (2020-2024), 2025 Gazetteer, OMB/Census CBSA delineations (2023), TIGER/Line roads. View the Census profile.
Local considerations
Investigative considerations in Marshall.
Small-town streets and routines
At about 801 residents per square mile, Marshall mixes a compact center with lower-density neighborhoods. Field work in Marshall is planned around a handful of main routes and a small number of places where a subject is likely to be, which keeps sessions short and costs predictable.
Major routes through the area
Interstate 20 runs through or near Marshall. Good highway access connects Marshall to the wider region, which affects both following a vehicle lawfully and tracing someone who has moved away.
Near a state line
Communities near Marshall include places in Louisiana. Licensing and privacy laws change at the state line, so work that crosses it is coordinated with a detective properly licensed for each jurisdiction.
Investigations in Marshall
What can be arranged in Marshall.
A selection based on Marshall's setting. All 75 services are available; browse every service.
Skip Tracing
People who relocate often move along Interstate 20 and the routes connecting Marshall to neighboring states.
Infidelity Investigations
Discreet, lawful documentation for relationship concerns.
Background Investigations
Verifying who someone is before you trust them.
Child Custody Investigations
Objective documentation focused on a child's wellbeing.
People Searches
Finding relatives, witnesses and lost contacts.
Litigation Support Investigations
Fact-finding that supports attorneys and their clients.
Surrounding area
Communities around Marshall.
The nearest large population center is Shreveport, about 33 miles away, with 180,982 residents.
Main routes: Interstate 20.
Investigations are not limited by municipal lines. A matter that begins in Marshall can continue into neighboring communities as part of the same engagement.
- Hallsville13 mi west · 4,628 residents
- Lake Cherokee21 mi southwest · 3,093 residents
- Longview24 mi west · 82,923 residents
- Greenwood24 mi east · 3,110 residents
- Carthage27 mi south · 6,601 residents
- Blanchard28 mi east · 3,437 residents
Hiring in Texas
Hiring a private detective in Texas.
Texas licenses investigations companies and registers private detectives through the Private Security Program of the Texas Department of Public Safety.
To verify a license, use the regulator's lookup: Texas Department of Public Safety, Private Security Program.
Texas generally allows a participant to record a conversation (one-party consent). Deeds and property records for Marshall are recorded with the county recorder or register of deeds.
Questions
Private detective questions in Marshall.
How inquiries are coordinated
Private detectives in our network can assist with qualifying inquiries in Marshall. Each investigation is conducted by an independent private detective who holds the licensing required for the jurisdiction where the work takes place, where licensing is required.
What's the first step to hiring a private detective in Marshall?
Start with a confidential call to 629-310-8667 or an email describing what you need to know and why. We'll discuss what's possible and lawful in Texas, agree on scope and cost in writing, and coordinate the work with an independent private detective licensed for the jurisdiction where it takes place.
What licensing applies to private detectives working in Marshall?
Texas licenses investigations companies and registers private detectives through the Private Security Program of the Texas Department of Public Safety. The regulator is the Texas Department of Public Safety, Private Security Program.
My case involves Louisiana as well as Marshall. Can that be included?
Yes. Licensing and recording laws differ between states, so each part of the work is coordinated with a detective licensed where it takes place, under one point of contact.
What should I know before hiring a private detective in Harrison County?
Most records that matter in Harrison County are kept at the county level: court files with the clerk, and deeds with the county recorder or register of deeds. A good detective searches those originals rather than relying on online summaries, and confirms identity so records aren't attributed to the wrong person.
The person I'm concerned about works outside Marshall. Can surveillance follow them?
Yes, within the law. Mobile surveillance can follow a routine into Shreveport and back, from public places. Plans account for travel time, and work in another state is handled by a detective licensed there.
Can a private detective find someone who left Marshall on Interstate 20?
Often. Locate work combines records research with field verification, wherever the trail leads. Moves along Interstate 20 and connecting highways are common, and investigations are coordinated across state lines with appropriately licensed detectives.
Can an investigation in Marshall extend to Hallsville or Lake Cherokee?
Yes. People rarely stay inside municipal lines. Work that starts in Marshall can continue in nearby communities such as Hallsville, Lake Cherokee, Longview, planned as one engagement and carried out by detectives licensed for each place the work goes.
Confidential inquiry
Speak with our agency about your situation in Marshall.
Call, email or send a short confidential inquiry. You'll get a straight answer about what's possible, what's lawful and what it would involve.