"Ms. Montero texted a sister that, 'He threw me on the ground and pulled my hair and strangled me. My phone is at 4% and if I die, it was Greg,'" a prosecutor said in court. Prosecutors say Groom was initially charged with assault and battery of a pregnant woman, intimidation of a witness, and domestic assault and battery.

The day before a pregnant Massachusetts teen went missing earlier this month, she sent a chilling text to her sister about her boyfriend: “My phone is at 4% and if I die, it was Greg.”Two weeks later,