A/N: A little bit of a dark chapter here, next one is going to be a little lighter again before Jane comes face to face with his suspect so hope you keep reading. Thank you again to all those who take the time to post a review, they really help me in continuing to write this little story .

Chapter 21 - Compulsion

When they arrived at work the next day, Lisbon phoned Julia and asked her to come to the office for a word, trying her best to sound casual. Julia agreed immediately and said she would be in that afternoon.

'Well, she's coming in' she said to Jane as he sat on the couch behind her, sipping his tea.

'Good.'

Just then Abbott called the team into the conference room to get an update on progress. Lisbon filled him in on Jane's hunch.

'You know we have absolutely no proof that she's done this, Jane, if you don't get a confession from her we'll have to let her go.'

He nodded. If she has done this, don't fret, I'll get her to confess.'He then asked, 'So when's the perverted professor coming in?'

Lisbon looked at her watch. 'Should be any time.'

Professor Vance shifted nervously in his seat as Jane and Cho walked into the room. Lisbon watched on from the observation room facing them.

'Hello again, Professor, thanks for coming in to see us. This is my colleague, Agent Cho.'

'Of course, Mr Jane, I'll help in any way I can' he replied, his hands shaking as he took a drink of water.

'Tell us more about your relationship with Kerry Matthews' Cho said.

Vance shifted in his seat. 'Well, what more can I say? She was a valued student, her work was outstanding.'

Jane smirked back. 'How about Laura Summers? What do you think of her? Do you see the road we're heading down now?'

Vance turned ashen and looked at the table. Jane sat back in his chair, staring at him and said, 'We already have a statement from Laura Summers saying that you wanted to trade sexual favours from her in return for higher grades. What happened, you offered the same deal to Kerry and she threatened to blab on you to the Dean so you decided to kill her instead?'

Lisbon watched on from the observation room. Laura Summers had been too frightened to give such a statement and Jane was using its existence as a bluff to get the truth from Vance. It still amazed her how he lied with such conviction and it made her a little anxious that he could do it with such ease.

Vance shifted uncomfortably in his seat again and attempted a laugh. 'It was only a little joke I made to Laura, I didn't mean it at all seriously, naturally, she must have gotten the wrong end of the stick.'

Cho responded in his normal deadpan manner, playing along with Jane's bluff effortlessly, 'No, she didn't. You abused your position to hit on a woman less than half your age. You can forget about your job, I'd worry more about staying out of prison for murder.'

Vance squirmed again as silence filled the room, nervousness making him speak again. 'Okay I admit I may have suggested such a thing to Laura. Do you know how difficult it is Agent Cho, these beautiful young girls hanging on to your every word in class, it's a temptation any man would have trouble controlling.'

He looked at them both sitting impassively opposite him. Jane's leg was beginning to twitch in annoyance but knew he had to stay calm to get Vance to finish.

'Of course, we understand, you're only human, right?' Jane said, urging him to continue.

Vance smiled. 'Yes, that's correct, I'm glad you understand Mr Jane. You know more than anyone what a compulsion does to you.'

Lisbon watched on. The man was pushing Jane to his limit and she knew it was taking all of his strength and willpower for him not to tell this man what he really thought of him.

'So back to Kerry, what happened with her?' Cho asked.

Vance turned his attention back to Cho. 'Kerry? Well nothing, I liked her but she made it pretty clear that she wasn't interested in me in that way, she didn't threaten me with the Dean, though. She said that she would...well, let's just say she said she would remove the...equipment... I needed to enjoy such activities if I continued in my pursuit of her.'

Jane smiled at the glass in front of him, knowing Lisbon was watching, perceiving it was the type of thing she would have said if she had met a man such as this when she was at college.

Vance concluded 'You have to believe me I didn't kill her, I swear, I'm not a monster.'

Jane stood up and looked down at him with contempt. 'No, you're just not that particular type of monster' he replied, before exiting the room.

Lisbon went to meet him coming out of the room, shaking her head. 'Piece of work, huh?'

Jane nodded, putting his hand to his face, 'He had nothing to do with killing her though, I'm sure of that.' He looked around him again and sighed. 'I need a cup of tea.'

Lisbon followed him through to the break area, getting a coffee herself. Jane inhaled before taking his first sip, breathing in its smell to bring him back to himself again.

'After listening to that, I feel like I need a shower' Lisbon said, taking a sip of coffee herself.

Jane thought for a second longer then smiled wickedly. 'Well, the thought of that is certainly taking my mind of it, that's for sure.'

Lisbon couldn't help but smile back. No one but Jane would have got away with a comment like that at such a time.

He walked over, giving her a quick peck on the lips, as he perked up again. 'Why don't we grab some lunch outside before the next nutjob comes in. I could do with the air.'