How do you dispose of bullets you find on the street without going to jail?

go to a police station and hand them in directly. they may ask questions, but there isn't any reason to suspect you if youre innocent, so you shouldn't be jailed.

According to most Crime Scene Investigation guidelines, if it is part of the scene, it is evidence, and once it has been moved after the incident, it is viewed as tampering with evidence. This will usually always land you in jail, because you are hindering the Investigators' ability to solve the case.

There is too much information to accurately state an answer, but to put it short: If it is part of a crime scene, you cannot. If not, pick them up and throw them away, or keep them. Depends on what your fancy is. Or, if it is not part of the crime scene, but you think they are involved someway in the suspect, you could do what the above answerer stated.