What is the test for reasonable suspicion of criminal activity under the Fourth Amendment?

officers can point to specific and articulable facts that give rise to a reasonable suspicion of criminal activity. Reasonable suspicion is a less demanding standard than probable cause and is determined in light of the totality of the circumstances. [Citation.] [Citation.] "A detention is reasonable under the Fourth Amendment when the detaining officer can point to specific articulable facts that, considered in light of the totality of the circumstances, provide some objective manifestation that the person detained may be involved in criminal activity." " ( People v. Lindsey (2007) 148 Cal.App.4th 1390, 13951396, 56 Cal.Rptr.3d 619 ( Lindsey ).)