One does not expect to catch local news on this board. But here is where I get much of my news. Tonight, McAllen is in mourning. Follow up, we have it that the shooter subsequently shot himself fatally. Fhe most complete report available is the Dallas one attached.
https://www.dallasnews.com/news/crime/2020/07/11/2-mcallen-police-officers-shot-and-killed-while-on-duty/