Police are searching for a man suspected of shooting and killing his ex-wife and then taking his 4-year-old son from his mother's house in Tyler. The shooting took place around 12:10pm today (10/31).

An Amber Alert is being issued for 4-year-old Lucas Calvert, who police say was taken from his home near Pollard Park in Tyler by his father, 41 year-old James Calvert.

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Police spokesman Don Martin says Calvert could possibly still be armed and will likely be driving a gray 2004 Buick LeSabre with license plate DP4G858. Lucas was last seen wearing gray sweatpants, blue sweatshirt.

KLTV in Tyler reports the shooting happened near Southern Oaks Baptist Church, Pollard Park and Andy Woods Middle School, at South Bain Place and Amherst. The TV station also reports the mother and her son were staying at a house owned by the church, which was helping her stay at the home while she was in school and preparing to move out of town. She also worked at the church nursery.

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Police have released the identity of the victim, 30-year-old Jelena Radovanovic Sriraman.

Court records show the couple had been in a custody dispute since 2009.

Calvert is wanted on a capital murder charge in connection with the shooting. Police have set up a 24-hour tip line for anyone who has information that may help in the investigation. That number is 903-595-7220.

Police are currently searching Calvert's home on Highway 31 East. Calvert was not at the residence.

Here is a picture of the actual vehicle (gray 2004 Buick LeSabre) and license plate that police are looking for:

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