Logic Riddles

Question: In the middle of winter, a woman is found dead in her bed, with multiple stab wounds in the stomach. Soaked into the sheets is a massive amount of blood, along with blood drops on the carpet. On the side table beside her bed, there is a glass full of water mixed with blood. What was the murder weapon, where is it now, and how was she killed?

Question: A man is dressed in black , top hat is black, shirt and pants are black,shoes are black he is black *not to be racist* , and a driver comes by and stops at the last second before running into him even with the street lights turned off. How does the driver see him?

Question: What has a neck but no head?

Question: If Teresa's daughter is my daughter's mother, then what am I to Teresa?

Question: A man in prison has a visitor. Afterward a guard asks the inmate who the visitor was to him. The inmate replies: "brothers and sisters I have none, but that man's father is my father's son." Who was the visitor to the inmate?