Jennings cut hair for 10 years at Young's Barber Shop in Florence and her son said that's where he believes the "person-of-interest" likely met his mother.
"She was a very caring person. She helped a lot of people. She helped a lot of younger people. People with problems," Ryan Siebe said. "She was a very spiritual woman – loved by just about everyone that ever knew her."
Sources said Wednesday that major developments may occur by the end of the week.
9 News will continue to follow this story and provide updates as more information becomes available.