and a number you can text right on your phone to learn where boosters are available in your own community. we ll have that number for you tonight. also this evening, how effective will the vaccines be against this new variant? and why have we heard seemingly different messages from pfizer and mow der that? tonight, we re inside in moderna facility where they are working on a vaccine to take direct aim at that new variant if needed. martha raddatz is there live tonight. new reporting at this hour after the deadly high school shooting in michigan. the prosecutor revealing new details, how the 15-year-old suspect allegedly obtained the gun that had just been purchased by his father on black friday. four students killed and could either of those parents face charges? news tonight about the former deputy now charged in the killing of casey goodson jr. in ohio. authorities say the deputy shooting him six times, five times in the back, as he was returning home, the keys still in the doo