we have just learned as we told you seven of the names of those who lost their lives. we don't know the other five because next of kin must be notified before we the media and you the public can know those who lost their lives so tragically today. chris lawrence has the latest on those fighting for their lives. what are the doctors saying about them tonight? >> they have good news. the police officers, the washington, d.c. police officer who was shot in the leg and had to have major complicated surgery on his legs he is out of surgery now. they will assess him in the morning to see if they were able to save the use of his legs. his name is scott williams. he has been on the force over 20 years and is a canine officer. he had a direct confrontation with the shooter. he had major damage to his legs, bone, blood vessel damage.