- Marital Infidelity Investigations- Steele Investigations believes that Marital Infidelity Investigations are sensitive and can be extremely emotional.Some Investigative Agencies chose not to perform this type of service due to these issues. Many Marital Infidelity Investigations involve Divorces, Child Custody, and Infidelity issues. Due to this being an emotional issue please feel free to contact our office to discuss in person.