Indonesian Student, David Hartanto Widjaja Stabbing His Own Professor And Then Committed Suicide

Tuesday, March 03, 2009

David Hartanto Widjaja NTU Singapore Stabbing
David Hartanto Widjaja, an Indonesian student of the Nanyang University of Singapore stabbed on his own Professor and then committed suicide with cutting on his own wrist before then jump from the university building. One of this technique lecturers, now still undergoing some treatment in hospital after stabbed by this student, on Monday morning.
Victim is Professor Kap Luk Chan, aged 40 years. Police said, the lecturer was injured in the back and arm, but now his condition was reported stable.

David Hartanto Widjaja family, already fly to Singapore. Tuesday (3 / 3) morning They come to the hospital to identify the corpse of their son David. They have not decided whether David corpse will be taken to Jakarta or will be cremated in Singapore.

David the stabber itself had followed the International Mathematics Olympiad in Malaysia in 2005. David got bronze medals at that Olympic games. He was entered to the Nanyang Technology University (NTU) in 2004 through the ASEAN scholarship.

There are no bad notes about David Hartanto Widjaya during his study in the 1's SMK Jakarta, and in Nanyang University. In fact, he is a student that have a lot of great achievement.

We are all heartbroken over this incident. Indonesia lossing a genius and talented student with the tragic way. We participate in sorrow with this.

Newest Information:
Singapore Media Make Some Correction According To The News Related On David's Suicide

Responses of David Hartanto Widjaja's Family

The Response Of Edwin "David Hartanto Widjaja's Close Friend"
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Anonymous 04 March, 2009

when one always wins especially ever awarded with big achievement, he can't take a single minor loss, guess this minor loss cause major impact onto him and create this pity situation, poor man. university should comes out some relaxation class as subject.

Free Acai Berry

A very sad story for sure.

Shine Our Personality

Many scenes behind human's life. but this case is a tragic story. successfull not just in our great IQ, I think. there are emotional and spiritual quotient, too.


He was depressed for sure.. there must be something happening before the incident that involved achievements.. only they know what really happened..

Anonymous 07 March, 2009

Today, 02:37 PM
I am one of David Hartanto's close friend and I am here to give you
some facts, assumptions, possibilities about this case


1. Lok Tat Seng: Dean of Student of NTU gathered all Indonesian students in
International Student Center on evening after incident and
he just said there was witness on the spot who saw David's body lying on the ground,
dead. Dean did not said that witness saw David jumped from balcony.
And that is, according to him, all he has saw.

2. The only official statement from police is: David was found dead at
the crime scene, they did not mention whether he commited suicide.

The link:

They also just mention 'The professor was believed to be stabbed'. The police
did not say that 'the professor was stabbed'. Where this assumption come from? Why
they did not say about it?

3. I and some Indonesian students gather tonight, 3 March 2009, at 8 pm,
at International Student Center and talked to David's parent.
They have seen his body. There was NO WOUND whatsoever on his wrists
and police also has confirmed it.
I assumed that his parent would not lie it means that all media news about
'David slashed his wrist' was FAKE.

4. The wounds found on David's body, according to his parents,
were on his head (It is assumed due to fall injury),
and slash wound on his neck. The wound on his neck is very suspicious, in
my opinion. How he received that wound?? Again, according to his parent,
police guessed that it may be happened when the bottom part of his head smashed
the ground. In that case, his chin will have broken and it did not.

1. David stabbed professor. How did you know? The crime scene is closed room,
only David and that professor. No one see what has happened.
Eye-witness only saw David run out from that room.

2. David commited suicide. How could someone who commited suicide drop himself
into glassed roof, instead of directly drop himself to ground.

3. David slashed his wrist. I do not know where this news came from...

4. David's motivation.

4.1. He pissed off since his prof did not give satisfactory grade

The grade has not been released and he even has not submitted the report.
It is also NTu policy not to inform the student about the grade which they got
before release of the result.

4.2. He has mental problem

No record in Student Counselling Centre about his attendance. For bright student
as him, I did not believe that he did not attend counseling if he has some
problems. Also, he still brought bag with usual daily stuff, on incident day,
such as drink bottle, towel, etc. If David planned to kill someone why would
he prepare to bring such things. It is easier for him to just bring one knife
and stab his prof on spot.

4.3. He pissed off because his scholarship has been revoked

I knew David since I was his roommate for 2 consecutive
years during Mathematical Olympiad training camp. He almost did not
qualify for IMO, only managed to get at 14th rank from 15 people selected.
He still joked and laughed to me at that time. He also did not get anything
from IMO and still fine, not seemed depressed whatsoever, and according to his
parents, he said 'At least, I managed to represent Indonesia at IMO'
He also still play Hammerfall game in Facebook at 2 am on the incident day. My friend
saw his Facebook account online. How come
a murderer played game in the night before incident? If I was him,
I will seriously think how would I prepare myself tomorrow

1. Professor attacked David. I deduced this thing for several key points.
According to many reports, David's cloth was soaked on blood. If the blood is
the result from slashing his wrist, it should not soak his cloth since wrist is
far from body. If the wound is from neck, it is easier.

2. David tried to run from Professor. After he realized that he was attacked,
he resisted and run from that room, with wound on his neck.

3. David falled because of unconsciousness. He became panic and probably lose
his common sense because of terrible bleeding, drop himself down into glassed roof
to escape from his Professor.

I am responsible for what I have written here, and contact me at if you need any clarification.

link asli nya:


When the first time I read the news about this, I did not believe he killed himself.

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