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Update: Police Say Lover Stabbed 15-Year-Old Myrna Umanzor To Death

19-year-old Henry Leon of Oakland is the prime suspect in the killing of a 15-year-old San Leandro High School freshman with whom he had fathered a child.

(Editor's note: This story has been with eyewitness accounts and photos from the crime scene.)

Police are looking for 19-year-old Henry Leon of Oakland who allegedly stabbed 15-year-old Myrna Umanzor to death Friday night in San Leandro’s first murder of the year.

Authorities say Leon fathered a nine-month-old child with Umanzor, who was a freshman at San Leandro High School.

Police say Leon is driving a dark blue, 2004 Cadillac Escalade with black rims and California license plate 5SBE608.

The tragedy began to unfold at 6:21 pm Friday night when police received a 911 call about a stabbing on the 1900 block of Pacific Avenue. Officers found Umanzor suffering from multiple stab wounds to her torso.

Police and paramedics performed life-saving measures, but they were unsuccessful and the young mother succumbed to her injuries.

Police are asking anyone with information about Leon to phone their anonymous tip line at 510-577-3278.

In 2011 there were seven murders in San Leandro, including the outside a tattoo party in October. In 2010 four people were murdered in the city.

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Leah Hall January 28, 2012 at 06:43 AM
Tragic. My prayers to this child's family and friends.
Barry Kane January 28, 2012 at 06:47 AM
Sad, tragic, scary and just not right at all. 15 is still a child. This is becoming a scary city to live in. RIP young lady.
Tom Abate (Editor) January 28, 2012 at 05:05 PM
It gets sadder. Police think the girl was killed by the 19-year-old guy with whom she had a baby. There is a photo in the updated story.
Thomas Clarke January 28, 2012 at 06:22 PM
There will be no win win in this case.
Suzette McD January 28, 2012 at 06:57 PM
This is a nightmare. We need to embrace these 2 families and learn how to engage and support our community's children.
Jamie January 28, 2012 at 08:08 PM
Wow. Very very sad. I feel for the poor little baby who will grow up without a mama or a daddy.
Lisa January 28, 2012 at 09:08 PM
This is very sad, and yet another strike for this city going downhill. I have to wonder, how the heck a 19yr old has access to a Cadillac Escalade?
Sarah January 29, 2012 at 12:06 AM
Please don't use the deeply problematic term "crime of passion." It dates back to misconceptions about domestic violence and implies that the perpetrator just got carried away by his emotions.
Tom Abate (Editor) January 29, 2012 at 12:23 AM
You're right, Sarah. I removed the reference.
Sarah January 29, 2012 at 02:05 AM
Many thanks.
Ken Briggs January 29, 2012 at 04:49 AM
yes where did this young guy get that Cadillac Escalade at ? lets find this killer and put him away for life . where is he hidding at now ? no bail when he is found , jail courts and prison for life .
AC January 29, 2012 at 05:08 AM
More important... Why does a 19 year old have a child with a child?!
Burns January 29, 2012 at 07:50 AM
I think he had some to do with his father death dats how he got his Cadillac hope u get caught soon death row for him R.I.P myrna
Ken Briggs January 29, 2012 at 01:21 PM
the paper should put his mug shot on the front page every day til he is found . hope the baby is well taken cared for baby the girls parents . then what does the 19 year olds parents think of there killer son . he needs to be killed the same way so he will know what it feels like . put this big boy in prison for life . no good time .
Sherrilyn Miller January 30, 2012 at 12:45 AM
YOu should have some comfort in knowing that the suspect was found dead hanging at the Port of Oakland
Sherrilyn Miller January 30, 2012 at 12:46 AM
THe fact the Escalade was a 2004 makes it easy for sonmeone 19 to have
Tim Holmes January 30, 2012 at 01:58 AM
Well, he's found, hanged at the Port of Oakland. SF Chron: http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2012/01/29/BAGR1N08II.DTL
Kari Hulac (Editor) January 30, 2012 at 03:12 AM
Thank you Tim for letting us know!

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