Culpable (adjective)

1. Deserving blame or condemnation; guilty.
2. Responsible for or involved in a crime or wrongdoing.

Origin:

From latin culpabilis, from culpare "to blame".

Examples:

1. The jury found him culpable of the crime.
2. He felt culpable for the accident, even though it was not his fault.
3. The company was found culpable for the oil spill.
4. The employee was culpable for the financial loss of the company.
5. The report found the government officials to be culpable for the corruption.