See UGURU VS. STATE (2002) 9 NWLR (PT. 771) 90 SC. The Investigating Police Officer gave her evidence on this point as heard from witness. She also tendered Exhibits A, C, C1, C2 and C3. Exhibit A is the Statement of Linus Iroegbu the Complainant. Exhibit C is the Statement of one Josephine Itoh. Exhibit C1 is the Statement of the Investigating Police Officer PW1. Exhibit C2 is the Statement of Escalous Ariah while Exhibit C3 is the Statement of Fomben Peter. None of the makers of the Statements was called in evidence except IPO. Documents are not objects that can be cross-examined, therefore oral evidence must be called in support. See EGBA VS. APPAH (2005) 10 NWLR (PT. 934) 164. 25