The first incident happened early Tuesday, Oct. 10, in Mastic Beach, according to Suffolk County Police.
A man entered the home through an unlocked window at around 4 a.m. and assaulted a 78-year-old woman.
A week later, on Tuesday, Oct. 17, a man with a similar description broke a window at another Mastic Beach home before entering and assaulting a 75-year-old woman.
Both victims were home alone at the time, police said. They were each taken to the hospital and treated for non-life-threatening injuries.
Investigators are asking anyone with information in the case to contact the Suffolk County Police Department at 631-852-8752 or Crime Stoppers at 1-800-220-TIPS.
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