Do not go to court without an attorney. It sounds to me this may be domestic in nature, though I may be wrong. Certain details often change between the original report and the testimony at trial. The more differences, the more likely that the Judge (or Jury) would find that it may be fabricated. The question really comes down to "will the fact finder believe a person who changes the story the originally told the police."
This is not intended as individual legal advice and there is no attorney client relationship established by this answer. It is advisable that you seek individualized legal assistance. This is not a substitute for hiring an attorney.
Whenever a witness on the stand testifies to something different than what they previously said (and which was recorded or written down), their credibility becomes very suspect. A skilled lawyer will know how to discredit such a witness. Most criminal defendants in DC have a lawyer, either privately retained or court appointed. Make sure you do not go to court alone.
People change their stories all the time. An experienced attorney can use the differences between stories to damage the credibility of the witness and make them look bad.
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My answers are intended only as general legal advice and are not intended to create an attorney-client relationship. There is no substitute for a full consultation with a local experienced criminal defense attorney. For more answers based on my 19 years of experience visit my website, www.austincriminaldefenseattorney.com