If you're looking for a written instead of a Sim, you might be interested in popular works like Ghost Whisperer Season 6: 10 Years Later on FanFiction.net, which imagines a continuation of the series.
The content you're looking for, by BAkalia , is a downloadable creation for The Sims 4 hosted on The Sims Resource (TSR) . Ghost Whisperer – Melinda Gordon by BAkalia at TSR
To make the Sim look exactly like the preview images, you often need to download additional Custom Content (CC) listed in the "Required" tab on the TSR download page, such as specific eyes, eyebrows, and makeup. About the Character (Melinda Gordon): If you're looking for a written instead of
The download typically includes the character's facial sculpt and a custom Melinda facemask designed to capture the actress's specific likeness. such as specific eyes