Sergio Loeza-Cruz, 40, of Mundelein.

A Mundelein man is being held on a $1 million bond after he was charged with sexually assaulting two children over the span of years, prosecutors said.

Sergio Loeza-Cruz, 40, of Mundelein, was charged with two counts of criminal sexual assault of a child family member.

A teenage girl reported to her school on April 19 that she had been sexually abused, according to Lake County Assistant State’s Attorney Manuel Mandujano.

The girl said that the abuse occurred in Mundelein since 2019 and that Loeza-Cruz was the suspect.

The girl reported that Loeza-Cruz had also sexually abused her younger sister, Mandujano said.

Mandujano said Loeza-Cruz had touched the first victim inappropriately since she was seven years old.

The victim said the abuse occurred when they were in Mexico and California and that it occurred on a daily basis.

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Mandujano said Loeza-Cruz sexually abused both victims while they lived in Mundelein in recent years.

Loeza-Cruz made statements to investigators and admitted to multiple instances where he sexually assaulted both victims, Mandujano said.

The abuse occurred as recently as earlier this month, just days before his arrest, Mandujano said.

Mandujano said that Loeza-Cruz spoke to the older juvenile victim a couple of months ago and apologized to her for his actions.

Lake County Judge Theodore Potkonjak ordered Loeza-Cruz held on a $1 million bond.

Loeza-Cruz would need to post $100,000 cash to be released from the Lake County Jail.

A preliminary hearing is scheduled for May 17.