I'm not sure which specific 'Murder in Texas' real story you are referring to. There are many such cases in Texas. It could be about a serial killer case or a particular homicide that made headlines. Without more details, it's difficult to provide a comprehensive account.
Yes, the 'Texas Chainsaw' is based on real - life serial killer Ed Gein. Gein was a Wisconsin murderer who inspired many horror movies with his disturbing crimes, which included grave robbing, making items from human body parts, etc. His actions provided the basis for the terrifying chainsaw - wielding maniac in the 'Texas Chainsaw' franchise.
The Texas massacre likely refers to various tragic events in Texas. One well - known example could be the Waco siege which had a complex and controversial story involving a religious group. The ATF raided the compound which led to a long standoff and ultimately a tragic end with many casualties. It was a situation filled with issues regarding law enforcement tactics, religious freedom interpretations, etc.
The Texas Massacre refers to a very tragic event. There was a series of brutal killings in Texas. It often involves a perpetrator or a group who carried out violent acts against innocent people. These acts usually shock the community and attract wide - spread media attention due to their extreme nature.
I'm not sure specifically which 'Texas red real story' you are referring to. There could be many stories related to something named 'Texas red'. It could be about a person, a place, or an event. More context would be needed to give a detailed answer.