A woman required 20 stitches to her head and face after police say a man slashed her with a butter knife.

Police say the woman was visiting Robert Lynn Thomas, 70, and his wife an apartment along the 7600 block of Blessing Avenue when the two got into an argument around 4 p.m. Dec. 16. Thomas' arrest affidavit alleges he threatened the victim near the entrance of his room before slashing her face and head.

The woman fled and called 911, and told responding officers Thomas attacked her out of lust and said, "I'm going to kill you, [explicit]."

The affidavit says officers found Thomas sitting in his apartment's living room and commanded him to exit the apartment where they detained him. Police said that while Thomas was in the back of the patrol car he stated, "I don't even know her name" and "I don't like nobody in my room."

Officers were able to meet with the victim at the Dell Seton Medical Center where she received stitches for her wound. The victim told police that while she was running out of the apartment, she heard either Robert or Robert's wife say that they should hide the knife behind the stove. An officer noted that at one point, the wound was so deep that physicians could see the victim's skull.

Thomas and his wife allowed officers to search the apartment, and officers were able to locate a butter knife with one serrated edge under the kitchen stove. Police also noted in the affidavit "there was blood spatter at the entrance of one of the bedrooms in the apartment."

Thomas has been charged with felony aggravated assault with a deadly weapon, and his bail is set at $75,000.