He was warned about getting too close to students. But this [MCPS] teacher was allowed to stay in the classroom.

...Court testimony and records point to repeated warning signs about Vigna’s behavior over a period of years, raising questions about how well he was supervised, how many incidents are too many and how effective Montgomery is at keeping students safe despite recent efforts to improve child-abuse policy and procedures.

...A top district official reprimanded Vigna in 2013, calling his conduct “indefensible, inappropriate and intolerable.” But the district allowed him to keep teaching, even though state officials months earlier had warned that teachers should be removed from contact with students after repeated and “obvious inappropriate” behavior.

Three of Vigna’s four victims were abused after the reprimand, according to testimony at his trial.

“They were tasked with protecting our children, and in my mind, they failed,” said Angela Edwards, whose children attended Cloverly. She called it “inconceivable” that district officials and the school’s principal did not take more forceful action...

https://www.washingtonpost.com/local/education/he-was-warned-about-getting-too-close-to-students-but-this-maryland-teacher-was-allowed-to-stay-in-the-classroom/2017/08/25/5ac2ad76-7bbe-11e7-a669-b400c5c7e1cc_story.html?utm_term=.70cef61c7e45