Complex sentence: She posited that the so-labeled, zero tolerance, arrest strategy failed to cause significant reduction in a soaring crime rate in Baltimore City, but, rather, presured police officers to make tens of thousands of arrests that did not produce criminal charges.
Split into simpler sentences: She posited that the so-labeled, zero tolerance, arrest strategy failed to cause significant reduction in a soaring crime rate in Baltimore City. But, instead, pressured police officers to make tens of thousands of arrests that did not produce criminal charges.