Yes, circumstantial evidence can lead to a conviction. It is evidence that doesn't directly prove the accused guilty, but rather supports an inference of guilt. The prosecution must provide enough circumstantial evidence to persuade the judge or jury beyond a reasonable doubt. For example, if a murder weapon is found in the accused's possession, and the accused was seen arguing with the victim before the murder, it can lead to a conviction even without direct evidence of the accused committing the crime.