K. Griff Investigations handle surveillances of all kinds, including services to commercial businesses, the legal profession and private individuals. While most involve domestic, child custody, criminal, civil and/or insurance related matters, we are equipped and capable of handling any type of surveillance for any size case. Surveillance services are billed at $125 per hour (portal to portal) plus mileage at seventy-five cents per mile. Out of county and out of state services are billed hourly plus expenses.