On april 1 police finally cuffed a shop engineer and her boyfriend as the ringleaders . "

4月1日，警方最终抓获了本案的主犯——商店的一位女性工程师及其男友。”

And those 2 guys who disappeared seem to be the ringleaders .

那两个失踪的人好像是他们的头目。

Ringleaders of hooligan groups shall be sentenced to fixed-term imprisonment of not less than seven years .

流氓集团的首要分子，处七年以上有期徒刑。

The six ringleaders were arrested and charged .

六名匪首已被逮捕并被起诉。

Only the ringleaders have been tried by an international court sitting in neighbouring tanzania .

只有那些为首者受到位于邻邦坦桑尼亚境内的一个国际法庭的审判。