New Brunswick, New Jersey (CNN) -- The man Tyler Clementi was intimate with just days before he committed suicide took the stand Friday, telling jurors that he had noticed a web camera aimed at Clementi's bed. 

The witness, who prosecutors named only as "M.B." to protect his identity, testified during the sixth day of the trial of a former Rutgers University student, Dharun Ravi. 

Ravi is accused of spying on and intimidating Clementi, his former university roommate, because he was gay. 

M.B., 32, testified Friday that he first met Clementi on an internet social networking site for gay men and that they eventually met in the student's dorm room three times. The two conversed online, exchanged text messages and later had sex. 

At one point when they were together in the dorm room, M.B. glanced over at Ravi's desk and saw "a camera lens pointed at (Clementi's) bed." 

He also testified that he had briefly met Ravi while visiting Clementi. Ravi on one occasion allegedly left the room and came back, "walked to his desk, shuffled around a bit and then walked out." 

M.B. testified that on September 19, 2010, he drove to meet Clementi at his building, three days after the first visit. When he left, M.B. said he saw about five people milling around the hallway who seemed to be looking at him. 

"They didn't say anything," he said. But they were looking at him in a way that made him wonder why they were staring, he said. "But as I was a guest in their building, I just brushed it off."  QUESTIONS:

Q1:
1. What is the witness called by prosecutors?
2. What do the prosecutors call the witness?
3. 
Q2:
1. What is the age of the witness, M.B.?
2. How old is M.B.?
3. 
Q3:
1. Why did the prosecutors name the witness M.B.?
2. Why was the witness named M.B. by the prosecutors?
3. 
Q4:
1. What what day of the week did M.B. testify?
2. On what day of the week was a testimony made by M.B.?
3. 
Q5:
1. How many days had the trial gone on for before the testimony was given by M.B.?
2. M.B. testified in court on which day of the trial?
3. 
Q6:
1. What is the name of the person that is facing time in prison?
2. What is the person that is facing time in prison called?
3. 
Q7:
1. What is one of the crimes that Dharun Ravi is accused of committing other than intimidation?
2. Dharun Ravi is accused of committing what crime other than intimidation?
3. 
Q8:
1. What is one of the crimes that Dharun Ravi is accused of committing other than spying?
2. Dharun Ravi is accused of committing what crime other than spying?
3. 
Q9:
1. What is the name of the person that Dharun Ravi is accused of intimidating?
2. Dharun Ravi is accused of intimidating which person?
3. 
Q10:
1. What reason did Dharun Ravi potentially have for intimidating Clementi?
2. Why was Clementi potentially being intimidated by Dharun Ravi?
3. 
