San Antonio Paranormal Investigations conducts On-Site Investigations (Public and/or Private) on a weekly/bi-weekly basis. Field Trips are also scheduled once a month and are announced 15 to 30 days prior to the event. E-mails are sent to SAPI Members a week before the investigation is to take place, depending on the type of event. On-Site Investigations, Field Trips and/or experiments are NOT open to the public.

Public Investigation Permission has been granted to San Antonio Paranormal Investigations to conduct an On-Site Investigation in what use to be a theater in 1960's. This building now serves as an antique store and is located in Castroville, Texas. This case will require the following: Investigation: Public Case Status: New Investigation Date & Time: Saturday August 7, 2010 / 9:00pm (CST) Access: Members Only Investigators: This investigation will require a total of 6 participants, 3 Technicians and 1 or 2 Psychics. Participants: Guillermo Fuentes (Director) Sebastian Morado (Videographer) Darrell Casias (Videographer) Deborah Tudor (Intuitive) Allan Atkinson (Lead Investigator) Michelle Trigo (Case Manager/Investigator) Alma Velasquez (Intuitive)