At Cressey and Sons, we use best practice for commonly used investigative techniques including, investigative methodology, interviewing, surveillance and monitoring, computer and phone forensics, tracking, tracing, evidence gathering, changes to the law governing the investigative practice, report writing and so forth.

Select below techniques for more information:

1. Surveillance

2. Vehicle Tracking

3. Polygraph Testing

4. Computer Forensics

5. Phone Forensics