What factors help explain why the police solve so "few" crimes?

d. All of the above

Explanation:

Some crimes are quite complicated in structure to solve as they leave little evidence to enable the police to capitalize on and solve.

Police response is also reactive which means that they cannot prevent crime per say, they can only try to solve it. This puts them at a disadvantage because they are essentially a step behind the criminals which means they have to do more to catch up than the criminal has to do to escape.

Police powers are also quite limited especially in a democratic nation like the United States because they have to abide by certain rules. For instance, if a search and seizure is illegal, regardless of if incriminating evidence is found, the criminal has a good chance of being freed. These rules make solving crimes difficult sometimes because some crimes cannot be solved conventionally.

a nurse can ask a member of congress to sponsor a bill that she/he finds important