Crowle formally identified the knife as being that which he had discovered on the common and had briefly retained before handing to his superior due to its distinctive blade and a "little nick" he had noted the knife bore. In addition to Crowle's testimony, an American soldier named Raymond Deadman also testified on 25 February as to his becoming acquainted with Wolfe in the week prior to her murder, and to his observing Sangret's possessive nature. In response to questioning by Eric Neve, Deadman explained he had become acquainted with Wolfe on 4 September, and that she had introduced him to Sangret on this date. The following day, he had walked across the common in her company, before they had encountered Sangret, who, Deadman testified, had become angry at seeing her in his company. According to Deadman, Sangret then chided a visibly nervous Wolfe for leaving "the shack" without his permission. One of the final witnesses to testify on the second day of the trial was Private Joseph Arsenault, who had been stationed at Witley Camp between July and October 1942, and had become acquainted with Sangret. Arsenault testified as to his observing Sangret, alone, cleaning his trousers in the camp wash-room in an effort to remove dark stains he (Arsenault) had seen on the garment. In response to cross-examination by Linton Thorp, Arsenault conceded he could not pinpoint the precise date he had seen Sangret washing his trousers in the wash-room, and that the date in question could have been anytime he had been stationed at Witley Camp. The knife the prosecution contended had inflicted the distinctive injuries to Wolfe's forehead was introduced in evidence as Exhibit 4, with Corporal Thomas Harding testifying as to his handing this weapon to Sangret on 26 August. In response to questioning by his defence, Sangret denied he had ever seen the knife introduced into evidence, and claimed he had never being given such a weapon by Corporal Harding. Furthermore, Sangret described the knife he had used to construct both wigwams as belonging to Wolfe. This weapon, he claimed, had both a marlin spike and a can opener, and he had been informed by Wolfe that the knife had been given to her by Francis Hearn. In addition, Sangret insisted he had never taken his own army-issue knife off barracks. Two of the prosecution's main witnesses were Drs Keith Simpson and Eric Gardner,