He continued with studies leading to a Master in medical and social sciences and management of hospitals at the University of Louvain (1977–1980).
His thesis was entitled: The place of the religious within the mental health care and obtained high examination marks (1986).
In 2023, a former pedagogical director and a former BOB detective alleged that Stockman had actively tried to interfere with their investigation of a mentally disabled girl who had been sexually abused by a friar.
The former BOB detective alleged that Stockman made veiled threats about having his wife fired from her job at a Catholic institution.
He only made mention of having tried to maintain serenity in the affair and having asked his staff to do the same, which — in his words — does not mean he put the reputation of the institution above the safety of the child.
[1] In a reaction on their website,[2] the congregation does not address these specific allegations but acknowledges in general that the name "Brothers of Charity" was mentioned several times and that a dark chapter from the history, the 1950s, 1960s, 1970s, and 1980s was highlighted.