In the previous episode of 'Pretty Little Liars' Season 6 titled 'Don't Look Now,' fans saw Mr. DiLaurentis eventually disclosing the truth regarding Charles. Nevertheless, if the show executive producer Marlene King is to be believed, the threat of Charles is yet to be over.

IB Times reports that following desperate efforts to conceal the truth for several years, Mr. DiLaurentis disclosed that Alison and Jason had another sibling named Charles, who was banished to Radley owing to his anomalous behavior. Nevertheless, Charles took his own life when he was 16 years oil and Mrs. DiLaurentis reportedly cremated his body.

Meanwhile King revealed that the threat pertaining to Charles is yet to be over and the viewers will finally come to learn the truth about Charles' identity and his motives in the midseason finale of 'Pretty Little Liars' Season 6.

Referring to the midseason finale of the teen drama mystery-thriller television series Season 6, King told ETOnline that it will be an emotional as well as exciting episode wherein "A" will be eventually unmasked.

According to King, "There were a lot of tears in this episode - both from all the actors and then while we were making it. I was sitting at that monitor crying on multiple occasions." She added, "It's exciting! The final true unmasking of 'A' is really exciting, but to hear the story - it's so compelling, and to know that this is also the end of a story that we started telling so many years ago, it's bittersweet."

With the passing of each episode, the list of "A" suspects has been increasing, and the next episode of 'Pretty Little Liars' Season 6, entitled 'She's No Angel,' is expected to offer more clues to the "A" aka Charles mystery.

In this episode, viewers will see Mona returning to Rosewood, and she will be questioned by the police for faking her death. In addition, Mona will also be confronted by Lesli's sister, who is unhappy as Mona also got Lesli involved in her game.

Nonetheless, Hanna will come to Mona's rescue, and will try to restore her confidence by asserting that Alison is no longer a threat, in addition to trying to mend Mona's friendship with Lesli.

According to the official synopsis of 'She's No Angel,' elsewhere "Emily tries to help Sara with her troubled home life by encouraging her to explore the possibility of emancipation. Spencer, on the other hand, finds help from someone from her past.Alison grows closer to Lorenzo as she looks for support outside of her family."

'Pretty Little Liars' Season 6 episode 5 titled 'She's No Angel' will air Tuesday, June 25, on ABC Family.