In his own country, in his own city, with his own influence, yet still being passive everywhere, this was not the way John Brown did things. Since someone wanted to make a move against Lucy Campbell, he had to root them out. It's easy to be a thief for a thousand days, but to guard against a thief for a thousand days is too difficult. A single neglect could result in irreparable consequences.
Although Brother Bob's men weren't top-notch, they were local thugs, making it easier for them to find people. Moreover, with his own mercenaries, who were all experts in this field, their abilities were far superior to ordinary police officers. Just like the previous incident with Blackjack, they collected a wealth of evidence against him in just one day, something the police couldn't achieve in years.
