section 491.2(4)


491.2(4) An affidavit or solemn declaration of a peace officer or other person stating that the person has seized property and detained it or caused it to be detained from the time that person took possession of the property until a photograph of the property was taken under subsection (1) and that the property was not altered in any manner before the photograph was taken shall be admissible in evidence and, in the absence of evidence to the contrary, is evidence of the statements contained in the affidavit or solemn declaration without proof of the signature or official character of the person appearing to have signed the affidavit or solemn declaration.