Centerville police discovered the body of a $36-$year$-$old white male $($later identified as Gaven Brooks$)$ in an open field of daisies about five miles outside of town. Mr$.$ Brooks's body was discovered at $10$:$02$ PM$.$ Friday night, October $11.$ He was found lying face up on a yellow, queen size sheet. According to autopsy reports, one fatal gunshot to the back of the head ended Mr$.$ Brooks's life. Scientists estimate that death occurred at about $7$:$45$ P$.$M$.$

As investigators scanned the crime scene, they made the following notes:

Paper plates filled with partially eaten fried chicken, potato salad, and chocolate cake were located near Mr$.$ Brooks body.

An open bottle of red wine and two partially filled glasses of wine were found next to the yellow sheet.

One of the wine glasses had a smudge of red lipstick on the rim.

A recently smoked cigarette butt was found near the sheet.