A special episode of “Frontline” (PBS, 10 p.m., check local listings) looks at the Russian assault on Kharkiv, Ukraine’s second-largest city. Another true crime series takes a look at the 1970s California killings of “The Hillside Strangler: Devil in Disguise” (Peacock, streaming). “Tom Swift” (CW, 9 p.m.) launches the rescue drone to save his father […]