Can you elaborate on these "similar incidents"? I'm just having a hard time believing some of the accusations posted here. He seems like a holy and pious priest from what I can tell.
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There's a fairly well docuмented history of Roberts impropriety, see the info from Randy Engel above.
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I think your mistake is thinking that piety, or at least it's appearance, is incompatible with this sort of behavior or these types of... inclinations. On the contrary. History proves otherwise, time and time again. Vatican II and it's aftermath being the best example.