The phrase "a few suspects" is correct and usable in written English.
It can be used when referring to a small number of individuals who are believed to be involved in a crime or suspicious activity.
Example: "The police have identified a few suspects in the ongoing investigation into the robbery."
Alternatives: "several suspects" or "a handful of suspects".
I occasionally chased people down alleys and wrestled a few suspects.
Almost all of the killings have been carried out by masked gunmen on motorcycles — often with pistols equipped with silencers — and only a few suspects have been arrested.
Escapes most commonly occur when prisoners are being transported between locations, though a few suspects have found ways to slip out of the police stations where they were held.
"If war breaks out again and kills 20,000 or 30,000 people, who will be responsible?" Amnesty International expressed concern that only a few suspects have been identified for possible prosecution.
Some arms caches have been uncovered in these raids and a few suspects arrested, but out of nearly 2,000 Palestinians questioned, the overwhelming majority have been found not to be involved in terrorism and released.
In essence, we know the cause of death, but we don't yet know who the murderer is, although there are a few suspects".
Only a few suspected this dark side.
A few suspect the lords of redistricting have been holding the map until the last minute to limit debate.
By making mice with only one or a few suspect mutations at a time, scientists cut through the chaotic genetic noise.
It used to be that when a candidate lost by a few suspect votes, the first question that arose was whether he would seek a rematch.
Quite a few suspect that he will find a way to amend the constitution and fashion a presidential system more to his liking than the hybrid one Pakistan has today.
