>>ter:s ad bakal-bagi me he b u himse and three children to avoid capture.ibrahim al-hashimi al-qurayshi, another leader of isis, set off a booby trap that leveled the third floor of his house, killing himself, his wife, and two children. this time, the target was hamza al-homsi, and this time, he apparently waited for the americans to get close enough. >> he was overseeing the groups deadliest terror network in eastern syria before he was killed in the raid. >> reporter: there are about 900 american troops in syria, working with local syrian forces to keep the isis terrorist network from staging a comeback. it's a deadly game of hide and seek, but no american troops were killed or wounded in all of last year. there were actually two commando raid last night, and the second one, the leader of an isis assassination cell was killed without any u.s. casualties. margaret? >> margaret: david martin at the pentagon. now to the beating death of tyre nichols. the five former memphis police officers charged with murdering the 29-year-old appeared in court for the fir