Ex-Day Care Worker Arrested For Child Porn Released on $10K Bail

Mason Lister, 21, was arrested at his parents' Arlington home Thursday

A Newton, Massachusetts, day care is trying to reassure parents after a former maintenance worker was arrested on child pornography charges.

Mason Lister, 21, was arrested at his parents' Arlington home Thursday after police say an investigation showed Lister was trading obscene images of children through social media sites.

He was arraigned in court Thursday and was released on $10,000 bail with a GPS monitor

The Family Access Daycare confirms Lister once worked there as a maintenance worker.

They say he was always supervised and had no contact with the children.

The daycare has sent a letter out to parents letting them know the situation.

Lister's mother is also listed on the day care's website as the executive director for business operations. 

Police at the family's home Thursday told necn the family has no comment. 

It's unclear when Lister was last employed by the day care.

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