CSI: NY

(shrieks)

(woman screaming, camera shutter clicking rapidly)

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Holy...

I used to look forward to a new snowfall.

Not today.

Yeah, it covered any tracks our killer may have left.

We have an I.D.?

No.

She appears to be in her early 20s.

Parks and recs called it in about a half an hour ago.

The first on scene told me that she has cash in her pocket

And a watch on her wrist.

We're not looking for a thief.

Not seeing much lividity here.

Skin is pale.

She lost a lot of blood.

But no blood pool?

Tracks weren't the only thing snowfall covered.

Looks like the bottom of her earlobe's been bitten off.

Hawkes: Puncture wound.

Think I may have just found our c.O.D.

Say "cheese."

Someone was taking pictures.

Looks like we just found our only witness.

¶ out here in the fields ¶

¶ I fight for my meals ¶

¶ I get my back into my living ¶

¶ yeah, yeah, yeah, yeah. ¶

Sid: This is an overlay

Of a patterned injury I found adjacent

To the vic's puncture wound.

Taylor: It's more than likely a detail from our murder weapon.

And whatever that implement is, it punctured the carotid artery,

Leading to exsanguination,

Your official c.O.D.

We get a name?

Ran her prints,

She's not in the system.

You're looking at jane doe for now.

Also found a curious scar

On her left wrist.

Appears to be recent.

What about this injury to her ear?

We found her in the park.

Tell me it's from animal activity.

Unfortunately, I can't do that.

And any foreign dna on the ear was more than likely

Washed away with the blood flow.

I did recover this fleck of blood

At the puncture site on the vic's neck.

Unlike the blood from the wound,

This particle was deposited when it was already dry.

It could be from our killer.

Or we're looking for a murder weapon

That's seen more than one victim.

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One sec.

Come on in.

How's it going?

Feeling old.

I'd say it was the cold weather,

But you're too young for aches and pains like that.

Well, mac asked adam to develop our vic's roll of film.

Kid had no idea what he was talking about.

Digital generation.

I hope you hit him. Oh, I did.

Found these at the end of the roll.

Imagine recording the last moments of your life on film.

Talk about a self-portrait.

Bonasera: Boyfriend?

Yeah, that's what I'm thinking. Those were

The first two pictures on the roll.

She looks happy.

Yeah, 34 pictures later, not so much, huh?

The lighting on these two shots indicate morning.

Our vic was killed much later than that.

They must have been taken earlier,

Or maybe even on another day.

I'm thinking

That we can use the rest of the photos to retrace

Our jane doe's steps, figure out where she came from.

And who she is.

Here's where our jane doe took this photo.

Then maybe this belonged to her.

Dry lip balm.

Watch your step here.

This pattern, it indicates

That there were foot impressions here before the snowfall.

And they're in close enough proximity to our scene.

It's kind of a long shot,

But maybe this fell out of our killer's pocket.

Looks like she snapped her next picture over there.

Here we go.

This is where she took the photo.

Check out those buildings in the background.

Maybe someone over there saw it.

Let's go knock on some doors.

Man: Yeah, I know her. That's estelle.

Estelle christensen.

How did this happen?

Murdered in the park last night, right across the street.

Oh, jeez. You know, I was wondering

Why she didn't come home.

I figured she just stayed at the boyfriend's.

This him by any chance?

Yeah, yeah, that's keith.

Uh, borgese, I think.

Italian name, I know that.

When was the last time you saw ms. Christensen?

Yesterday, just before sunset.

She takes pictures in the park every day around that time.

Keith is usually with her.

Usually?

He wasn't with her yesterday?

No.

I don't believe so, no.

What a shame.

That girl was beautiful, smart...

Hey, how you doing?

Hey.

Thanks, jimmy.

And funny.

You know, that english sense of humor.

She was british?

Oh, yeah, right down to

The afternoon tea. Any other visitors?

Nah, just the boyfriend... Pretty much.

What do you mean, "pretty much?"

Pretty much, pretty much.

All right.

There was this older guy. I don't remember his name.

But he'd come by once in a while,

Late night.

You want to be more specific, guy?

Getting cold out here.

Like I said, estelle had a boyfriend,

But I don't know, maybe she was

Seeing this older guy on the side.

But I swear, I don't know his name.

That's all I got.

All right, thanks.

We'll be in touch. Yeah.

Where did you and estelle first meet, keith?

Central park.

She took a picture of me.

When was this taken?

Few days ago.

And this?

That was the day before yesterday.

That was the last time I saw estelle.

I understand you two walked in the park

Every day at sunset.

Yeah.

Why was last night different?

We had an argument a few days ago.

Was the argument about another man?

No.

Why would you say that?

A witness described

An older gentleman estelle may have had a relationship with.

I have no idea what you're talking about.

My girlfriend just died, and you ask me that?

Well, help me out here, keith.

You two go to the park every day.

On the day she's murdered, you're not there.

How do you explain that?

I-I told you. We had an argument.

About what?

I don't know.

Nothing. Just...

She was just acting weird lately, you know?

An-and something was different, and I wanted to know why.

Did she tell you?

Did she tell you why, keith?

: I'm sorry.

I'm sorry. I'm... (sniffles)

I should've been with her last night.

This is my fault. I could have protected her.

I ju... I...

I should've been with her. I should've been with her.

Results from the dried blood fleck

Sid collected from the vic's neck

Came back to multiple donors, male and female.

Could've transferred from the murder weapon.

Were any of those donors the boyfriend?

Don't know that yet, but the dry lip balm did come back to him.

Doctor.

Well, that's not surprising.

They could've shared it.

Okay.

I got a codis hit from one of the donors on the fleck.

Say hello to billy james.

One prior for assault and battery.

And now possibly murder.