While Father Joseph Maskell is the priest who is discussed the most in The Keepers, there were many others accused of sexual abuse at Keough High School. (According to the Baltimore Sun, Maskell denied the accusations until his death in 2001.) Jean Hargadon Wehner, one of the most outspoken women against the priest, also discusses a Brother Bob in The Keepers.
In the second episode of the Netflix documentary about the murder of
nun Sister Cathy Cesnick and the string of sexual assaults that the show
theorizes could have led to her death (Wehner claims Cesnik knew about
the abuse and her murder was a cover up), Wehner claims a Brother Bob
allegedly raped her in Father Maskell's office. Later in the series, she
alleges that he said he was the one who murdered Sister Cathy. So who is Brother Bob and could he be the key to solving this 40-year-old murder? Unfortunately, as The Keepers shows, his true identity is still unknown because Wehner believes Brother Bob could have just been a pseudonym used by Maskell.
https://www.bustle.com/p/who-is-brother-bob-in-the-keepers-jean-wehner-thinks-he-could-be-the-key-to-sister-cathys-murder-58663
https://www.bustle.com/p/who-is-brother-bob-in-the-keepers-jean-wehner-thinks-he-could-be-the-key-to-sister-cathys-murder-58663