https://www.law.cornell.edu/rules/fre/rule_602 https://www.law.cornell.edu/rules/fre/rule_602 Fed. R. Evid. 602 https://www.law.cornell.edu/rules/fre/rule_602 https://www.law.cornell.edu/rules/fre/rule_602 Rule 602 https://www.law.cornell.edu/rules/fre/rule_602