North Texas E-News reports that the Dallas County Health and Human Services (DCHHS) has opened an investigation into the possible tampering of food items at Lake Highlands High School. DCHHS investigation team, consisting of epidemiologists, environmental and laboratory personnel, visited Lake Highlands High School to interview staff regarding the incident.
DCHHS Laboratory received samples of the muffins in question and are presently running tests to rule out food borne pathogens (Salmonella/Shigella, Listeria Monocytogenes, and E. coli 0157:H7.) and Ricin. The preliminary laboratory results from the testing being conducted by DCHHS lab should be available tomorrow morning.
DCHHS is working with the Richardson Independent School District, the Dallas Police Department and federal agencies on this ongoing investigation.