Boston Strangler (2023) is a true-crime drama centered on the investigation of the serial murders. The narrative does not feature any identifiable LGBTQ+ characters or themes, nor does it explore queer identity in any capacity. Therefore, the film has no discernible impact on the portrayal of LGBTQ+ individuals or issues.

There is currently insufficient information to assess the depiction of transsexual characters or themes in 'Boston Strangler, 2023'. No plot points or character arcs related to transsexual identity are available to determine their presence or portrayal, making a definitive evaluation impossible.

The movie does not contain any action or adventure elements.

The film portrays real-life journalists Loretta McLaughlin and Jean Cole, who were historically female, as female characters. There is no indication that any established historical figure's gender was altered for the adaptation.

The film "Boston Strangler" is a historical drama based on real individuals and events. The main characters, including Loretta McLaughlin and Jean Cole, are portrayed by actors whose race aligns with the documented historical race of the real-life figures.