Dateline | November 29, 2013
>> a new attraction can be so
exhilarating, but not always.
sometimes an attraction turns
into a dangerous obsession.
lotty spencer knows all about it.
lottie said she had a stalker, a
teenage who are got into her
house, into her car and worst of
all into her head.
>> i wouldn't go out to the
mailbox without a gun.
i was terrified.
>> he had total control over
your, it sounds like.
lottie felt powerless to do
anything about it.
>> i knew he was watching.
>> here it comes again.
>> life used to be much
simpleler for lottie .
>> this is an upscale
neighborhood and kristine and i
were always outside.
>> their upstairs neighbors were
carmen and nick.
>> she was a gorgeous strawberry
blond, feisty, very outgoing
young woman who loved her son
more than anything else in the world.
they were two peas in a pod.
>> it was a monday afternoon,
the week before halloween.
>> the first thing they did was
go downstairs to see if they
could find nick's mom, her car
was there, she should be there.
>> while christina stayed by the
door, nick went inside, someone
was there, but not his mom.
>> nick turned the corner and he
saw something move across the
bedroom down the long hallway.
>> it was a dark figure wearing
gloves and a mask.
the stranger suddenly stabbed
nick and left him for dead.
>> as he's laying there on the
floor, he actually sees his
perpetrator run from the house.
christina began really freaking
she was terrified.
>> christina ran upstairs to her
apartment to get help.
her babysitter was there and her
>> i grabbed her shoulders and i
stopped her and i said don't
>> the glass door was smeared
>> somebody said oh, my god, there's nick.
>> i said get out of here, go
down the street.
she said what are you going to do?
i said i'm going to get that boy
out of there.
i'm not leaving without that
>> scott grabbed an ax for
protection and then dropped it
when he realized how desperately
nick needed help.
>> i slapped him a few times and
so i started screaming at him
and started smacking him harder
and telling him he wasn't going
to die today.an
and all of a sudden, he sat up.
he squeezed nick tightly against
trying to stop the bleeding.
>> he said call 911, call 911.
>> lottie was at work when she
got a frantic call from her
daughter. >> she was hysterical.
she was screaming that nick was
i drove home as fast as i could.
>> lottie didn't see carmen
either, but when police officers
arrived at the scene, they made
a grizzly discovery.
the flight attendant and devoted
mother was dead.
she had been strangled.
she was just 34 years old.
>> you're shattered and you're
so thankful that your daughter's
but you feel so bad what
happened to nick and carmen .
>> Reporter: carmen 's sister and
brother-in-law jim barely had
time to process the news about
carmen before hearing that nick
was fighting for his life.
>> we went straight to the
>> you must have been thinking
how could someone stab your
nephew 18 times.
that's a monster?
>> i'll never forget walking in
that hospital, but yeah, and
then you have to come to grips
>> and it was a grim reality .
after emergency surgery , nick
was in critical condition.
he looked so little, so fragile
in his hospital bed.
>> you never think you can be
touched like something like this
when you've got the perfect
>> he had been stabbed 18 times
and had lost a dangerous amount of blood.
but he survived.
nick was going to make it. it was nothing less than a
there was no easy way to tell
him about his mom.
but he had to know.
and even 18 years later, nick
remembers it like it was
>> my dad and my aunt told me
that my mom didn't make it and i didn't really understand it
i still developmen
i still don'topmen i still don't rean i still don't really i still don't really unde
i still don't really understa it.
>> it was such a senseless act, nick and his family could only
grieve and wonder why.
but back at the apartment, now a
crime scene, a chill ran through
lottie , she told police she
could explain exactly what
>> i told them that i had
somebody that had been stalking
and it was my belief that he was
the one behind what happened to
nicholas and carmen .
>> who was this man in the mask
who would kill the young mother
and try to kill her son?
>> he's pure evil, he's a
>> when we come back, a haunting
story of hunter and hunted.
>> he has always told me that he
can get away with a perfect
his plan was in the making. to clean this mess