Warning: spoilers ahead for The Walking Dead: Dead City episode 1The Walking Dead: Dead City introduces a new character to the franchise with Mahina Napoleon's Ginny, who doesn't talk due to a past trauma. The main series may have come to a close with season 11, but AMC is still very much in The Walking Dead business. Of the multiple The Walking Dead spinoffs in the works, Dead City is arguably the most exciting. This reunites former enemies Negan (Jeffrey Dean Morgan) and Maggie (Lauren Cohan), as the latter needs Negan's help sneaking into Manhattan to rescue her son Hershel (Logan Kim).

https://screenrant.com/walking-dead-city-why-ginny-not-talk/