in many cases has been happening since a very very long time
just with very different dynamics then in the US
which in combination with people often only reading the headline makes it a bit trick for a US newspaper to choose a good title
e.g. when I read "gang violence escalates" in a German news paper I expect very different thing then when reading it in the US
but in both counties it something you might have read in the last 2-3 decades
and AFIK this bombings are not limited to some "gang areas"
in many cases has been happening since a very very long time
just with very different dynamics then in the US
which in combination with people often only reading the headline makes it a bit trick for a US newspaper to choose a good title
e.g. when I read "gang violence escalates" in a German news paper I expect very different thing then when reading it in the US
but in both counties it something you might have read in the last 2-3 decades
and AFIK this bombings are not limited to some "gang areas"