. >>> well, it was grueling day of testimony in the ongoing murder trial of carmela de la rosa. >> peggy fox is live outside the courthouse to tell us what happened today. >> reporter: ly well, today's testimony was all about the mental health of carmela de la rosa. there's no question she's been suffering from depression for years and that it escalated last year, but did she know what she was doing the night she picked up her grandchild and tossed her off the bridge. a woman told the jury that her cousin was a deem spiritual woman. she was shocked when de la rosa told her she wanted to kill herself. i asked her, why would you want to take your life? and she said, i want to spare my family the pain and suffering i'm bringing to them. one woman told me, if she's pregnant, i think i'm going to kill myself, and i said, no, carmel larks you have to go see a doctor. last november, carmela de la rosa's brother died and her depression resurfaced. susan called her a few days before the baby was killed and said de la rosa was erratic and strange on the telephone. several doctors took the stand. s

meanwhile, doctors and friends describe carmela de la rosa's mental state. they say she is not the western they once knew. she has been on crairious drugs for depression after the death of her father and brother. she has pleaded not guilty by reason of insanity. -- she has been on various drugs. >>> d.c. police say they are close to identifying everyone involved in a fight in northwest that may have killed a george washington university student. witnesses say patrick casey was hit in the face outside a mcdonald's early friday morning causing him to fall and hit his head. casey was also a veteran of the war in afghanistan. he was declared brain dead tuesday and his body was taken to the medical examiner yesterday for an autopsy. police say much of what happened was caught on surveillance tape but they are not willing to say exactly what happened until the investigation is finished. >>> a teenager arrested for a violent sexual assault in our area. a 15-year-old is accused of an attack in fairfax. this happened more than a week ago at an apartment complex in th