'unlawful acts' - so what, Chief? There are 20 million people engaging in 'unlawful acts' for being in the country illegally, but, you don't see people clamoring to put an end to those 'unlawful' acts.
Selective enforcement of laws is a step towards lawlessness. That's what the 'broken glass' theory of policing proved in the 1990s - 2000s. When you arest people for breaking windows, it discourages the commission of other crimes
'Sanctuary' is a Liberal eupehmism for selective law enforcement and lawlessness.
Laws are words on paper. If you don't like the laws, ask your elected representatives to change the words on the paper. That's how a 'Nation of Laws' functions.