Simplify the following text for a Grade 11 native English-speaking person.
Original: Soon thereafter at Interior Minister Roni `` Bar-On 's request , Attorney General Menachem Mazuz ordered a criminal investigation be opened against Balad MKs Azmi Bashara , Jamal Zahalka and Wassel Taha over their recent visit to Syria '' , as '' ( a ) fter Bashara 's last trip in 2001 , the Knesset passed a law forbidding MKs from visiting any enemy state . ''
Simplified: Soon after this , Interior Minister Roni Bar-On asked Attorney General Menachem Mazuz see if Balad MKs Azmi Bashara , Jamal Zahalka and Wassel Taha were guilty of any crimes because of their visit to Syria . He did this because after Bashara 's visit to Syria in 2001 , the Knesset made a law that said that MKs could not go to any enemy countries .