Identify the Main Point or Issue in the Following Passage

Essay

Identify the main point or issue in the following passage, and decide whether the rest of the passage offers reasons for the main point (such as, whether the passage contains an argument), whether it illustrates (provides examples for) the main point, whether it explains the point, is irrelevant to the point, and so on.
"Ruben Salazar couldn't possibly have been the victim of a conscious, high-level cop conspiracy to get rid of him by staging an 'accidental death.' The incredible tale of half-mad stupidity and dangerous incompetence on every level of the law enforcement establishment was perhaps the most valuable thing to come out of the inquest. Nobody who heard that testimony could believe that the Los Angeles County sheriff's department is capable of pulling off a delicate job like killing a newsman on purpose."
-Hunter S. Thompson, The Great Shark Hunt