The second asked whether Mariana wanted her to pick up extra lemon tarts from the bakery while she was out with her reading group.

The third said Teresa was enjoying iced tea with her friends and would go back to watch the children after dessert.

Mariana shoved the phone into her scrub pocket and pointed at the glass sliding doors of the main lobby.

Teresa walked in through the double doors in a crisp lavender linen dress, a black leather handbag under her arm, chatting with two women from her book club.

She didn’t look like someone who had left a toddler in a hot garage three hours earlier.