Her eyes well with tears, but she doesn't allow them to fall, quickly wiping them away and biting her thumb like the vulnerable child she is.

CNN: Afghan girl begs for bread, prays for help

Gilberto Valle, who was suspended without pay after his arrest last fall, hung his head and appeared to wipe away tears Monday as his 27-year-old wife, Kathleen Mangan, became the first witness to testify against him.

CNN: STORY HIGHLIGHTS