There were no excuses mentioned in the article.
None.
.
One of them I heard was better to have $100K of property damage than actually do something and be sued for a million dollars (like what happened at an Occupy protest).
"She was quoted in a Sunday Los Angeles Times story justifying her inaction against the campus mob. Taking action against the rioters, she said, would have created “a lethal, horror situation.” Then she resorted to the modern police chief’s rationalization for failing to uphold the law: “We have to do exactly what we did last night: to show tremendous restraint,” she said."