Inter-Facts Inc. is a full-service Professional Investigations and Research firm based in the Chicago area. The company utilizes a network of licensed, experienced investigators to serve clients in both the public and private sectors throughout North America. Our services range from simple background and pre-employment checks through intensive surveillance and criminal defense investigations. Inter-Facts is family owned and operated by Bonnie Lamb and William (Bill) Lamb. The Lambs work side by side, ensuring that every case they accept is worked thoroughly and every stage of the investigation is scrutinized to its completion.