House Majority Whip Steve Scalise, a Republican from Louisianna,
remains in critical condition.
The Tyson executive is Matt Mika, director of government
relations.
The Republicans were practicing at a ball diamond in
Alexandria, just outside Washington.
Also wounded were Zack Barth, a legislative correspondent
who works for Representative Roger Williams (R-Texas); and two members of the
Capitol Police who protect congressional members.
Police shot the terrorist who has been an outspoken critic
of President Donald Trump.