Brian Walshe was previously arrested for misleading police and has pled not guilty to those charges. He has now been charged formally with murder in the disappearance of D.C. realtor Ana Walshe.

Ana Walshe, a mother of three young boys, was last seen in the early morning hours of Jan. 1, when she was said to take a ride-share service to a local airport to management a flight bound for Washington, D.C.

READ MORE: Ana Walshe investigation: DC police describe reveals husband threatened to kill her

In the days between Ana's disappearance and the missing person's describe, Brian Walshe allegedly lied about his own whereabouts. Investigators said Walshe told investigators he traveled to stores, such as CVS and Whole Foods, where he great not have actually been.

He also spent about $450 in cash buying cleaning funds from a Rockland, Massachusetts, Home Depot store. 

Investigators discovered blood and a bloody, damaged knife in the basement of the couple's home, and traced Ana's cell called to the area of the family's Cohasset home on Jan. 1 and Jan. 2. 

A police describe, obtained by FOX affiliate Boston 25 Reporter Bob Ward, shows that Ana, who was moving by her maiden name Ana Knipp at the time, told DC Police officers that Brian, "made a statement over the telephone that he was moving to kill her, and her friends" back in 2014.

READ MORE: Missing DC realtor Ana Walshe: 'Absolutely' no signs 'of a tragedy' beforehand disappearance, friend says

Brian Walshe is now being held at the Norfolk County House of Corrections. He will be transported to the Quincy District Court on the bill of murder.