Disclaimer – I don't own CSI but if I did oh the fun I would have.

This is a challenge set by Nico97 based on the episode 35K O.B.O.

It won't get in the way of my other story.

Enjoy!

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'Am I almost at ground zero?' Catherine asks as she very cautiously crawls her way through the collapsed buildings basement to the laundry as the building creaks around her. Three senior citizens had died when the apartment collapsed, Catherine was working solo and she was the only one that was small enough to fit through the gaps to find the cause of the collapse. The only thing linking her to the outside is the head camera she has on which is linked to a monitor. Outside the building Paul Newsome watches the monitor as Catherine carries on crawling.

'Almost about ten more feet, uh, then you should be in the laundry room. You should have more headroom, too.' He replies over the live feed as he watches the monitor intently.

'I feel like I'm crawling through a straw,' crackles through the screen. In the basement Catherine carries on crawling and comes to a complete halt when she's spots a bug crawl across the wood beam. Sensing that Grissom would love to see this bug she examines it closely.

'Sweet,' Catherine exclaims to no-one in particular as she puts the bug into a container.

'What is that? A roach?' Paul asks over the feed.

'I'm not an entomologist, but I know one. He can tell us.' Catherine asks as she puts the container into her pocket. The building creaks and something flies overhead causing the building to tremble. Concrete dust and bits of rock fall on Catherine as she covers her head with her hands. After the dust has settled around her she uncovers her head, stables herself and even slower than before once again starts to crawl. Catherine knew that in a heartbeat that the building could again collapse but as stubborn as ever she had wanted to show O'Riley and Paul that she could do it.

'I thought this building was secure,' she shouts into her microphone as once more the building creaks around her. Outside, Paul watches the monitor growing more and more concerned with Catherine's safety.

'It is secure. Just hang on. The daily sorties. I think that was an F-16.' Paul replies trying to put her mind at ease and not causing her any more distress. Catherine doesn't listen as she carries on crawling. 'Stubborn Cow,' he mutters to himself as overhead another plane flies back over. Catherine covers her head again as more debris falls.

Hearing the noise Paul steps outside his van and watches as the rest of the building collapses into the basement. He steps back into the van and watches as wood and debris fall around Catherine, the red brick dust coming from the debris rises and then the monitor goes black. All he can do is mutter 'shit' under his breath.

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Meanwhile back at the lab, Sara and Grissom are heading for the observation room which is connected to the fluoroscope room where they find Doc. Robbins watching David work on one of their bodies from the suspected car jacking. Sara furrows her brow as she walks towards the doctor.

'Hey Doc, what's with the fluoroscope?' She asks intrigued as she looks the body over through the window, nothing coming to mind as to why they would need to use a fluoroscope.

'When we brought the body into the lab she set off the metal detector.' Doc Robbins answers, after establishing that nothing metal was in the pockets Sara ponders whether she has a plate or pin inside her. Before the Doc is able to answer her question Grissom's cell goes and he excuses himself from the room. She watches Grissom leave and then turns back to Doc. Robbins waiting for his answer.

'I had the same thought, but that's not what we've found. David, take her down.' Robbins orders. David nods and a small smile spreads across his face as he spots Sara in the observation room. Before Sara can smile back Grissom comes rushing back through the door, and as Grissom is not one for rushing Sara immediately knows something is wrong.

'Sara we need to go now. We'll hand this case over to dayshift.' Putting up her hands in surrender, Sara looks at him confused written across her face.

'Grissom, slow down. What's happened?' Catching his breath, he beckons Sara to follow him.

'You know the case that Catherine was working on solo,' Sara nods as they walk down the corridor of the lab, 'well the building collapsed again. That was O'Riley on the phone, the building collapsed while Catherine was in the basement.'

'WHAT? What's the address?' Sara shrieks as she starts walking faster heading for her Denali. 'Gil, come on, I'll drive.' A few paces behind, Grissom eventually catches up with Sara and gets in the passenger side. He holds on to his seat as Sara peels out the parking lot with the flashing lights on. Racing through traffic following Grissom's directions Sara's mind falls to Catherine.

Ah, the strong, independent, gorgeous Catherine; the person that every man and woman would probably kill to have. But the fear of being rejected or humiliated was overpowering the want to take a chance. Catherine was everything she looked for in a woman. Beautiful, caring, kind, tactile well to everyone apart from her. She didn't know what she had done but Catherine had issues with her. Ever since she had started at Las Vegas on Grissom's request she had got the impression that she didn't mean anything to Catherine, she was just the outsider who had walked in one day and investigated one of her best friends. She had tried to get to know Catherine but the 'when the spirit moves you, which in your case will be never,' comment had knocked her for six. Even Warrick the guy she had investigated was cool with her. Shit the guys.

'Grissom, have you called Nick and Warrick?' Sara asks concerned as she swerves round another corner. 'GET OUT THE WAY YOU MORONS.' She shouts as two cars get out of her way, 'thank you.'

'Yeah they're going to meet us there.' Grissom answers his hands holding onto his seat for dear life, the entire colour drained out of him. 'Ok, turn right and then take the second left then we should be there.'

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In the basement, Catherine slowly comes too, opening her eyes all she sees is gapes of light coming through the gaps of the debris. Trying to lift her head she puts it back down when she feels a shot of pain running down her back. She tries to move her legs but she can't feel them. Starting to panic Catherine starts to thrash around; sweat starts to form on her forehead. 'I have to get out of here for Lindsay,' she whispers as her right arm hits something solid.

Getting more and more claustrophobic she tries to shout for help but nothing comes out of her mouth, as pain once overcomes her once more and her eyes droop shut.

Outside, Sara parks the car and runs towards Nick and Warrick who have managed to get there quicker. Sara looks behind to see Grissom lagging behind and stops when she reaches them.

'Hey, what have they said?' She looks at Nick who's running his hand through his hair, and Warrick who has his hands in his pockets starting at the collapsed building. Neither of them answers, as Paul walks towards them with Grissom now having joined them.

'Hi, I'm the engineer for this building,' Paul says and he holds his hand out for them but none of them walk take it. Sara walks towards him getting right in his face.

'If something has happened to Catherine, I will make it personally responsible that you get charged with second degree murder, understand?' She growls in his face as he takes a step back. Nick and Warrick looked at her shocked as she takes another step forward sure that Sara and Catherine weren't even friends, 'Now what the hell is going on?'

'There is a crane coming in about half an hour or so to move some of the rubble, to see if we can get to Catherine.' Paul gulps but Sara takes a step back. She walks towards the building and looks at it intently for a few minutes. She ponders the gaps in the rubble.

'Someone small could fit through these gaps,' she turns back to the boys as they walk towards her.

'Yeah they could,' Warrick agrees as they all stare at the collapsed building, 'but its unsafe, the building could collapse further.'

'Who gives a shit? I'm going in.' Sara announces as she walks away from them towards one of the engineers to grab some equipment. Nicks runs after and grabs her arm stopping her.

'Sara it's too dangerous. You could get hurt too.' He says with a sincere look on his face. Looking into his eyes Sara sees worry and fear in his eyes. Pulling her arm out of his arm she starts to walk away but turns back to him once again.

'I don't care, I'm doing it. We can't leave her in there alone.'

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Please review I'd like to know what you all think: D (gives puppy eyes)