Danny Lee execution. Why a federal crime?

Factual Questions
1

Danny Lee was executed by federal authorities for the murder of an Arkansas family. How were the murders a federal crime?

2

Murder in aid of racketeering. That makes it a Federal crime.

3

How was he in a racket?

4

A jury convicted Daniel Lewis Lee of conspiring to violate and violating the Racketeer Influenced and Corrupt Organizations (RICO) statute, 18 U.S.C. §§ 1962(c) and (d), and of three murders in aid of racketeering in violation of 18 U.S.C. § 1959. The jury also returned a verdict of death and a death sentence was imposed.

United States vs Lee.

From here - https://caselaw.findlaw.com/us-8th-circuit/1344687.html

5

Thanks, Duckster.

6

And, by the way, Jesus Christ he deserved it.